Shareowners' Equity and Noncontrolling Interest (Summary of Changes in AOCI) (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
|
|
|
|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
Jun. 30, 2016 |
Dec. 31, 2015 |
Jun. 30, 2015 |
Dec. 31, 2014 |
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax |
$ (7,729)
|
$ (7,388)
|
$ (7,729)
|
$ (7,388)
|
$ (7,484)
|
$ (7,619)
|
$ (6,577)
|
$ (6,661)
|
| Other comprehensive (loss) income before reclassifications, net - Foreign Currency Translation |
(359)
|
(936)
|
(596)
|
(1,202)
|
|
|
|
|
| Amounts reclassified, pretax - Foreign Currency Translation |
1
|
0
|
0
|
1
|
|
|
|
|
| Tax reclassified - Foreign Currency Translation |
0
|
0
|
0
|
0
|
|
|
|
|
| Other comprehensive (loss) income before reclassifications, net - Pension |
(4)
|
(73)
|
21
|
(104)
|
|
|
|
|
| Amounts reclassified, pretax - Pension |
127
|
216
|
381
|
651
|
|
|
|
|
| Tax reclassified - Pension |
47
|
81
|
140
|
243
|
|
|
|
|
| Other comprehensive (loss) income before reclassifications, net - AFS Securities |
30
|
(48)
|
87
|
10
|
|
|
|
|
| Amounts reclassified, pretax - AFS Securities |
20
|
2
|
72
|
56
|
|
|
|
|
| Tax reclassified - AFS Securities |
8
|
7
|
27
|
25
|
|
|
|
|
| Other comprehensive (loss) income before reclassifications, net - Unrealized Hedging (Losses) Gains |
(5)
|
(111)
|
138
|
(194)
|
|
|
|
|
| Amounts reclassified, pretax - Unrealized Hedging (Losses) Gains |
(32)
|
(64)
|
(139)
|
(164)
|
|
|
|
|
| Tax reclassified - Unrealized Hedging (Losses) Gains |
(9)
|
(16)
|
(37)
|
(48)
|
|
|
|
|
| Other comprehensive (loss) income before reclassifications, net |
(335)
|
(999)
|
(408)
|
(1,219)
|
|
|
|
|
| Amounts reclassified, pretax |
(138)
|
(278)
|
(448)
|
(758)
|
|
|
|
|
| Tax reclassified |
(48)
|
(90)
|
(150)
|
(266)
|
|
|
|
|
| Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax |
(3,050)
|
(2,191)
|
(3,050)
|
(2,191)
|
(2,685)
|
(2,438)
|
(1,278)
|
(1,051)
|
| Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax |
(4,915)
|
(5,197)
|
(4,915)
|
(5,197)
|
(4,999)
|
(5,135)
|
(5,405)
|
(5,709)
|
| Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax |
335
|
287
|
335
|
287
|
317
|
293
|
330
|
308
|
| Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax |
(99)
|
(287)
|
(99)
|
(287)
|
$ (117)
|
$ (339)
|
$ (224)
|
$ (209)
|
| Parent [Member] |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] |
|
|
|
|
|
|
|
|
| Other comprehensive (loss) income before reclassifications, net - Foreign Currency Translation |
$ (364)
|
$ (913)
|
$ (612)
|
$ (1,139)
|
|
|
|
|