Fair Value Measurements and Financial Instruments (Details 3) - USD ($) $ in Millions |
3 Months Ended |
6 Months Ended |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
| Foreign Currency Contracts | Derivatives Not Designated as Hedging Instruments |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
$ 48
|
$ 5
|
$ 48
|
$ 5
|
| Activity related to derivatives not designated as hedging instruments [Abstract] |
|
|
|
|
| Gain (loss) on instruments |
0
|
2
|
0
|
5
|
| Gain (loss) on hedged items |
0
|
(2)
|
0
|
(5)
|
| Fair Value Hedges |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
1,530
|
1,597
|
1,530
|
1,597
|
| Activity related to fair value hedges [Abstract] |
|
|
|
|
| Gain (loss) on derivatives |
(3)
|
(5)
|
(3)
|
4
|
| Gain (loss) on hedged items |
3
|
5
|
3
|
(4)
|
| Fair Value Hedges | Foreign Currency Contracts |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
930
|
347
|
930
|
347
|
| Activity related to fair value hedges [Abstract] |
|
|
|
|
| Gain (loss) on derivatives |
(3)
|
(6)
|
(1)
|
(5)
|
| Gain (loss) on hedged items |
3
|
6
|
1
|
5
|
| Fair Value Hedges | Interest Rate Swaps |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
600
|
1,250
|
600
|
1,250
|
| Activity related to fair value hedges [Abstract] |
|
|
|
|
| Gain (loss) on derivatives |
0
|
1
|
(2)
|
9
|
| Gain (loss) on hedged items |
0
|
(1)
|
2
|
(9)
|
| Cash Flow Hedges |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
721
|
714
|
721
|
714
|
| Activity related to cash flow hedges [Abstract] |
|
|
|
|
| Gain (loss) recognized in OCI |
(7)
|
7
|
(20)
|
(7)
|
| Gain (loss) reclassified into Cost of sales |
(1)
|
(2)
|
2
|
0
|
| Cash Flow Hedges | Foreign Currency Contracts |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
719
|
705
|
719
|
705
|
| Activity related to cash flow hedges [Abstract] |
|
|
|
|
| Gain (loss) recognized in OCI |
(7)
|
5
|
(20)
|
(9)
|
| Gain (loss) reclassified into Cost of sales |
(1)
|
(3)
|
2
|
0
|
| Cash Flow Hedges | Commodity Contracts |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
2
|
9
|
2
|
9
|
| Activity related to cash flow hedges [Abstract] |
|
|
|
|
| Gain (loss) recognized in OCI |
0
|
2
|
0
|
2
|
| Gain (loss) reclassified into Cost of sales |
0
|
1
|
0
|
0
|
| Net Investment Hedges |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
1,372
|
2,175
|
1,372
|
2,175
|
| Activity related to net investment hedges [Abstract] |
|
|
|
|
| Gain (loss) on instruments |
(106)
|
36
|
(139)
|
(39)
|
| Gain (loss) on hedged items |
105
|
(33)
|
140
|
39
|
| Net Investment Hedges | Foreign Currency Contracts |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
800
|
895
|
800
|
895
|
| Activity related to net investment hedges [Abstract] |
|
|
|
|
| Gain (loss) on instruments |
(28)
|
10
|
(46)
|
(16)
|
| Gain (loss) on hedged items |
27
|
(7)
|
47
|
16
|
| Net Investment Hedges | Foreign Currency Debt |
|
|
|
|
| Derivative Instruments, Gain (Loss) [Line Items] |
|
|
|
|
| Notional value |
572
|
1,280
|
572
|
1,280
|
| Activity related to net investment hedges [Abstract] |
|
|
|
|
| Gain (loss) on instruments |
(78)
|
26
|
(93)
|
(23)
|
| Gain (loss) on hedged items |
$ 78
|
$ (26)
|
$ 93
|
$ 23
|