XML 91 R38.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Stockholders' Equity (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Equity [Abstract] |
Changes in Balance of Accumulated Other Comprehensive Loss, Net of Income Taxes | Changes in the balance of AOCL, net of income taxes, consisted of the following (in millions):
|  | Postretirement Benefit Plans (a) |  | Other, net |  |  | AOCL |
Balance at December 31, 2016 |  | $ | (11,981 | ) |  | $ | (121 | ) |  | $ | (12,102 | )
Other comprehensive (loss) income before reclassifications |  | (1,380 | ) |  | 120 |  |  | (1,260 | )
Amounts reclassified from AOCL |  |  |  |  |  |
Recognition of net actuarial losses |  | 1,030 |  |  | — |  |  | 1,030 |
Amortization of net prior service credits |  | (228 | ) |  | — |  |  | (228 | )
Other |  | — |  |  | 21 |  |  | 21 |
Total reclassified from AOCL |  | 802 |  |  | 21 |  |  | 823 |
Total other comprehensive (loss) income |  | (578 | ) |  | 141 |  |  | (437 | )
Balance at December 31, 2017 |  | (12,559 | ) |  | 20 |  |  | (12,539 | )
Other comprehensive loss before reclassifications |  | (501 | ) |  | (105 | ) |  | (606 | )
Amounts reclassified from AOCL |  |  |  |  |  |
Recognition of net actuarial losses |  | 1,455 |  |  | — |  |  | 1,455 |
Amortization of net prior service credits |  | (253 | ) |  | — |  |  | (253 | )
Other |  | — |  |  | 30 |  |  | 30 |
Total reclassified from AOCL |  | 1,202 |  |  | 30 |  |  | 1,232 |
Total other comprehensive (loss) income |  | 701 |  |  | (75 | ) |  | 626 |
Reclassification of income tax effects from tax reform(b) |  | (2,396 | ) |  | (12 | ) |  | (2,408 | )
Balance at December 31, 2018 |  | (14,254 | ) |  | (67 | ) |  | (14,321 | )
Other comprehensive loss before reclassifications |  | (2,182 | ) |  | 18 |  |  | (2,164 | )
Amounts reclassified from AOCL |  |  |  |  |  |
Recognition of net actuarial losses |  | 1,148 |  |  | — |  |  | 1,148 |
Amortization of net prior service credits |  | (240 | ) |  | — |  |  | (240 | )
Other |  | — |  |  | 23 |  |  | 23 |
Total reclassified from AOCL |  | 908 |  |  | 23 |  |  | 931 |
Total other comprehensive income (loss) |  | (1,274 | ) |  | 41 |  |  | (1,233 | )
Balance at December 31, 2019 |  | $ | (15,528 | ) |  | $ | (26 | ) |  | $ | (15,554 | )
(a) | AOCL related to postretirement benefit plans is shown net of tax benefits of $4.2 billion at December 31, 2019, $3.9 billion at December 31, 2018 and $6.5 billion at December 31, 2017. These tax benefits include amounts recognized on our income tax returns as current deductions and deferred income taxes, which will be recognized on our tax returns in future years. See “Note 9 – Income Taxes” and “Note 11 – Postretirement Benefit Plans” for more information on our income taxes and postretirement benefit plans.
(b) During 2018, we reclassified the impact of the income tax effects related to the Tax Cuts and Jobs Act of 2017 (the Tax Act) from AOCL to retained earnings by the same amount with zero impact to total equity.

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration