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Shareowners' Equity and Noncontrolling Interest (Reclass and Changes in Accumulated Other Comprehensive Income) (Details) (USD $)
In Millions, unless otherwise specified
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3 Months Ended |
9 Months Ended |
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Jun. 30, 2014
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Dec. 31, 2013
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Jun. 30, 2013
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Dec. 31, 2012
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| Reclassification out of Accumulated Other Comprehensive Income [Line Items] |
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| Accumulated other comprehensive (loss) income |
$ (3,169) |
$ (5,325) |
$ (3,169) |
$ (5,325) |
$ (2,403) |
$ (2,880) |
$ (6,000) |
$ (5,448) |
| Other Comprehensive (Loss) Income , before Reclassifications, Net |
(858) |
538 |
(526) |
(320) |
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|
|
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| Amounts reclassified, pretax |
129 |
197 |
341 |
650 |
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|
|
|
| Tax (benefit) expense reclassified |
(608) |
(614) |
(1,534) |
(1,677) |
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Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
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| Reclassification out of Accumulated Other Comprehensive Income [Line Items] |
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| Accumulated other comprehensive (loss) income |
(132) |
(28) |
(132) |
(28) |
(43) |
(79) |
(100) |
3 |
| Other Comprehensive (Loss) Income , before Reclassifications, Net |
(113) |
72 |
(98) |
(48) |
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|
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| Amounts reclassified, pretax |
24 |
(1) |
55 |
20 |
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|
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| Tax (benefit) expense reclassified |
0 |
1 |
(10) |
(3) |
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Accumulated Other Comprehensive Income (Loss) [Member]
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| Reclassification out of Accumulated Other Comprehensive Income [Line Items] |
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|
|
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| Tax (benefit) expense reclassified |
(37) |
(60) |
(104) |
(207) |
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Accumulated Translation Adjustment [Member]
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| Reclassification out of Accumulated Other Comprehensive Income [Line Items] |
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| Accumulated other comprehensive (loss) income |
(221) |
246 |
(221) |
246 |
495 |
170 |
(172) |
654 |
| Other Comprehensive (Loss) Income , before Reclassifications, Net |
(717) |
419 |
(395) |
(439) |
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|
|
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| Amounts reclassified, pretax |
1 |
(1) |
4 |
31 |
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|
|
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| Tax (benefit) expense reclassified |
0 |
0 |
0 |
0 |
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Accumulated Defined Benefit Plans Adjustment [Member]
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| Reclassification out of Accumulated Other Comprehensive Income [Line Items] |
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| Accumulated other comprehensive (loss) income |
(3,051) |
(5,778) |
(3,051) |
(5,778) |
(3,127) |
(3,267) |
(5,922) |
(6,250) |
| Other Comprehensive (Loss) Income , before Reclassifications, Net |
9 |
(11) |
10 |
27 |
|
|
|
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| Amounts reclassified, pretax |
104 |
226 |
312 |
680 |
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|
|
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| Tax (benefit) expense reclassified |
(37) |
(71) |
(106) |
(235) |
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Accumulated Net Unrealized Investment Gain (Loss) [Member]
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| Reclassification out of Accumulated Other Comprehensive Income [Line Items] |
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| Accumulated other comprehensive (loss) income |
235 |
235 |
235 |
235 |
272 |
296 |
194 |
145 |
| Other Comprehensive (Loss) Income , before Reclassifications, Net |
(37) |
58 |
(43) |
140 |
|
|
|
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| Amounts reclassified, pretax |
0 |
(27) |
(30) |
(81) |
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|
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| Tax (benefit) expense reclassified |
$ 0 |
$ 10 |
$ 12 |
$ 31 |
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