Accumulated Other Comprehensive Loss - Schedule of AOCL Components (Details) - USD ($) $ in Millions |
3 Months Ended |
9 Months Ended |
Sep. 30, 2020 |
Jun. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
| Components of accumulated other comprehensive loss |
|
|
|
|
|
| Beginning balance |
$ 8,690
|
$ 14,309
|
$ 13,958
|
$ 15,358
|
$ 13,687
|
| Changes in value (net of tax effect) |
|
|
|
(85)
|
(8)
|
| Changes in value, tax effect |
|
|
|
31
|
2
|
| Reclassifications into earnings (net of tax effect) |
|
|
|
135
|
188
|
| Reclassifications into earnings, tax effect |
|
|
|
149
|
57
|
| Ending balance |
3,357
|
8,690
|
15,068
|
3,357
|
15,068
|
| Tax benefit |
1,480
|
|
(452)
|
2,849
|
(1,131)
|
| Accumulated Other Comprehensive Income |
|
|
|
|
|
| Components of accumulated other comprehensive loss |
|
|
|
|
|
| Beginning balance |
(7,937)
|
(7,898)
|
(7,694)
|
(7,989)
|
(7,825)
|
| Beginning balance, tax effect |
|
|
|
1,549
|
1,492
|
| Ending balance |
(7,939)
|
(7,937)
|
(7,645)
|
(7,939)
|
(7,645)
|
| Ending balance, tax effect |
1,431
|
|
1,437
|
1,431
|
1,437
|
| Pension and Other Benefit Liabilities |
|
|
|
|
|
| Components of accumulated other comprehensive loss |
|
|
|
|
|
| Beginning balance |
|
|
|
(8,095)
|
(7,925)
|
| Changes in value (net of tax effect) |
|
|
|
(102)
|
(12)
|
| Reclassifications into earnings (net of tax effect) |
|
|
|
218
|
189
|
| Ending balance |
(7,979)
|
|
(7,748)
|
(7,979)
|
(7,748)
|
| Deferred income tax expense in that will not be recognized until obligation is fully extinguished |
755
|
|
755
|
755
|
755
|
| Other |
|
|
|
|
|
| Components of accumulated other comprehensive loss |
|
|
|
|
|
| Beginning balance |
|
|
|
106
|
100
|
| Changes in value (net of tax effect) |
|
|
|
17
|
4
|
| Reclassifications into earnings (net of tax effect) |
|
|
|
(83)
|
(1)
|
| Ending balance |
$ 40
|
|
$ 103
|
$ 40
|
$ 103
|
| Foreign currency hedges | Released from AOCI |
|
|
|
|
|
| Components of accumulated other comprehensive loss |
|
|
|
|
|
| Tax benefit |
|
$ 83
|
|
|
|