Reportable Segment Information (Segment Net Sales and Income) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Segment Reporting, Revenue Reconciling Item [Line Items]        
Net sales $ 3,789 $ 3,725 $ 11,254 $ 11,214
Segment income (loss) 629 626 1,922 1,824
Corporate (42) (34) (162) (164)
Interest expense, net of interest income (28) (21) (76) (63)
Legacy items (4) (9) (26) (30)
Asset write-down 0 0 (14) 0
Gain on sale of equity affiliate 0 0 (20) 0
Noncash Pension Settlement Charge - before tax 968 0 968 0
Noncash Pension Settlement Charges, other - before tax   7   7
Transaction-related (costs) gain, net 0 (1) (9) (27)
Restructuring Costs and Asset Impairment Charges 0 0 0 (140)
Income before income taxes (413) 554 687 1,393
Performance Coatings Segment [Member]        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Net sales 2,223 2,240 6,600 6,705
Segment income (loss) 368 379 1,075 1,052
Industrial Coatings Segment [Member]        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Net sales 1,437 1,354 4,253 4,105
Segment income (loss) 249 241 806 745
Glass Segment [Member]        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Net sales 129 131 401 404
Segment income (loss) $ 12 $ 6 $ 41 $ 27