CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (DETAIL) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES    
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES $ 384 $ 62
NET CASH FLOW USED FOR INVESTING ACTIVITIES    
Additions to plant and equipment (240) (216)
Proceeds from the sale of assets or affiliates 3 65
Purchases of alloy (8) (25)
Proceeds from sale of alloy 8 25
Net cash flow used for investing activities (237) (162)
NET CASH FLOW (USED FOR) PROVIDED BY FINANCING ACTIVITIES    
Proceeds from senior revolving credit and receivables securitization facilities 1,079 1,068
Payments on senior revolving credit and receivables securitization facilities (1,082) (919)
Payments on long-term debt (8) (1)
Net increase (decrease) in short-term debt (10) 21
Cash dividends paid (58) (37)
Purchases of treasury stock (86) (44)
Other intercompany loans 0 0
Other 18 7
Net cash flow (used for) provided by financing activities (147) 95
Effect of exchange rate changes on cash (5) (1)
Net decrease in cash and cash equivalents (5) (6)
Cash and cash equivalents at beginning of period 67 57
Cash and cash equivalents at end of period 62  
Payments to Acquire Businesses, Net of Cash Acquired 0 12
Proceeds from Insurance Settlement, Investing Activities   0
Derivative, Cash Received on Hedge   (1)
Parent Company    
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES    
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES (54) (54)
NET CASH FLOW USED FOR INVESTING ACTIVITIES    
Additions to plant and equipment (16) (9)
Proceeds from the sale of assets or affiliates 0 44
Purchases of alloy 0 0
Proceeds from sale of alloy 0 4
Net cash flow used for investing activities (16) 39
NET CASH FLOW (USED FOR) PROVIDED BY FINANCING ACTIVITIES    
Proceeds from senior revolving credit and receivables securitization facilities 943 1,018
Payments on senior revolving credit and receivables securitization facilities (942) (919)
Payments on long-term debt (5) 0
Net increase (decrease) in short-term debt 0 0
Cash dividends paid (58) (37)
Purchases of treasury stock (86) (44)
Other intercompany loans 200 (10)
Other 18 7
Net cash flow (used for) provided by financing activities 70 15
Effect of exchange rate changes on cash 0 0
Net decrease in cash and cash equivalents 0 0
Cash and cash equivalents at beginning of period 0 0
Cash and cash equivalents at end of period 0  
Payments to Acquire Businesses, Net of Cash Acquired   0
Proceeds from Insurance Settlement, Investing Activities   0
Derivative, Cash Received on Hedge   0
Guarantor Subsidiaries    
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES    
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES 221 131
NET CASH FLOW USED FOR INVESTING ACTIVITIES    
Additions to plant and equipment (170) (120)
Proceeds from the sale of assets or affiliates 0 0
Purchases of alloy 0 0
Proceeds from sale of alloy 0 0
Net cash flow used for investing activities (170) (125)
NET CASH FLOW (USED FOR) PROVIDED BY FINANCING ACTIVITIES    
Proceeds from senior revolving credit and receivables securitization facilities 0 0
Payments on senior revolving credit and receivables securitization facilities 0 0
Payments on long-term debt (1) 0
Net increase (decrease) in short-term debt (13) 0
Cash dividends paid 0 0
Purchases of treasury stock 0 0
Other intercompany loans (36) (3)
Other 0 0
Net cash flow (used for) provided by financing activities (50) (3)
Effect of exchange rate changes on cash 0 0
Net decrease in cash and cash equivalents 1 3
Cash and cash equivalents at beginning of period 1 3
Cash and cash equivalents at end of period 2  
Payments to Acquire Businesses, Net of Cash Acquired   5
Proceeds from Insurance Settlement, Investing Activities   0
Derivative, Cash Received on Hedge   0
Non Guarantor Subsidiaries    
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES    
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES 217 (15)
NET CASH FLOW USED FOR INVESTING ACTIVITIES    
Additions to plant and equipment (54) (87)
Proceeds from the sale of assets or affiliates 3 21
Purchases of alloy (8) (25)
Proceeds from sale of alloy 8 21
Net cash flow used for investing activities (51) (76)
NET CASH FLOW (USED FOR) PROVIDED BY FINANCING ACTIVITIES    
Proceeds from senior revolving credit and receivables securitization facilities 136 50
Payments on senior revolving credit and receivables securitization facilities (140) 0
Payments on long-term debt (2) (1)
Net increase (decrease) in short-term debt 3 21
Cash dividends paid 0 0
Purchases of treasury stock 0 0
Other intercompany loans (164) 13
Other 0 0
Net cash flow (used for) provided by financing activities (167) 83
Effect of exchange rate changes on cash (5) (1)
Net decrease in cash and cash equivalents (6) (9)
Cash and cash equivalents at beginning of period 66 54
Cash and cash equivalents at end of period 60  
Payments to Acquire Businesses, Net of Cash Acquired   7
Proceeds from Insurance Settlement, Investing Activities   0
Derivative, Cash Received on Hedge   (1)
Consolidation Eliminations    
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES    
NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES 0 0
NET CASH FLOW USED FOR INVESTING ACTIVITIES    
Additions to plant and equipment 0 0
Proceeds from the sale of assets or affiliates 0 0
Purchases of alloy 0 0
Proceeds from sale of alloy 0 0
Net cash flow used for investing activities 0 0
NET CASH FLOW (USED FOR) PROVIDED BY FINANCING ACTIVITIES    
Proceeds from senior revolving credit and receivables securitization facilities 0 0
Payments on senior revolving credit and receivables securitization facilities 0 0
Payments on long-term debt 0 0
Net increase (decrease) in short-term debt 0 0
Cash dividends paid 0 0
Purchases of treasury stock 0 0
Other intercompany loans 0 0
Other 0 0
Net cash flow (used for) provided by financing activities 0 0
Effect of exchange rate changes on cash 0 0
Net decrease in cash and cash equivalents 0 0
Cash and cash equivalents at beginning of period 0 0
Cash and cash equivalents at end of period $ 0  
Payments to Acquire Businesses, Net of Cash Acquired   0
Proceeds from Insurance Settlement, Investing Activities   0
Derivative, Cash Received on Hedge   $ 0