Fair Value Of Financial Instruments Fair Value of Assets and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Millions |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Assets, Fair Value Disclosure, Recurring |
$ 5
|
$ 0
|
| Contingent consideration liability |
31
|
32
|
| Liabilities, Fair Value Disclosure, Recurring |
102
|
161
|
| Commodity derivatives |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative Asset |
1
|
|
| Derivative Liability |
12
|
51
|
| Foreign currency derivatives |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative Asset |
4
|
0
|
| Derivative Liability |
59
|
78
|
| Fair Value, Inputs, Level 1 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Assets, Fair Value Disclosure, Recurring |
0
|
0
|
| Contingent consideration liability |
0
|
0
|
| Liabilities, Fair Value Disclosure, Recurring |
0
|
0
|
| Fair Value, Inputs, Level 1 | Commodity derivatives |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative Liability |
0
|
0
|
| Fair Value, Inputs, Level 1 | Foreign currency derivatives |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative Asset |
0
|
0
|
| Derivative Liability |
0
|
0
|
| Fair Value, Inputs, Level 2 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Assets, Fair Value Disclosure, Recurring |
5
|
0
|
| Contingent consideration liability |
0
|
0
|
| Liabilities, Fair Value Disclosure, Recurring |
71
|
129
|
| Fair Value, Inputs, Level 2 | Commodity derivatives |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative Asset |
1
|
|
| Derivative Liability |
12
|
51
|
| Fair Value, Inputs, Level 2 | Foreign currency derivatives |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative Asset |
4
|
0
|
| Derivative Liability |
59
|
78
|
| Fair Value, Inputs, Level 3 |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Assets, Fair Value Disclosure, Recurring |
0
|
0
|
| Contingent consideration liability |
31
|
32
|
| Liabilities, Fair Value Disclosure, Recurring |
31
|
32
|
| Fair Value, Inputs, Level 3 | Commodity derivatives |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative Liability |
0
|
0
|
| Fair Value, Inputs, Level 3 | Foreign currency derivatives |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Derivative Asset |
0
|
0
|
| Derivative Liability |
$ 0
|
$ 0
|