Statement of Changes in Combined Equity - USD ($) $ in Millions |
Total |
Parent Company net investment |
Accumulated other comprehensive income (loss) |
Noncontrolling interest |
|---|---|---|---|---|
| Balance at beginning of period at Dec. 31, 2018 | $ 2,677 | $ 2,415 | $ 250 | $ 12 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||
| Net income | 41 | 41 | 0 | |
| Other comprehensive income (loss) | 57 | 57 | 0 | |
| Change in ParentCo contribution | (27) | (27) | ||
| Balance at end of period at Mar. 31, 2019 | 2,821 | 2,502 | 307 | 12 |
| Balance at beginning of period at Dec. 31, 2019 | 2,728 | 2,419 | 295 | 14 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||
| Net income | 60 | 60 | 0 | |
| Other comprehensive income (loss) | 25 | 25 | 0 | |
| Establishment of defined benefit plans (G) | 1,403 | (349) | 1,752 | |
| Change in ParentCo contribution | 217 | 217 | ||
| Other | (1) | (1) | ||
| Balance at end of period at Mar. 31, 2020 | $ 1,626 | $ 3,045 | $ (1,432) | $ 13 |
| X | ||||||||||
- Definition Stockholders' Equity, Establishment of Defined Benefit Plans No definition available.
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The change in equity as a result of a spin-off transaction (a regular or reverse spin-off) which is based on the recorded amounts. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy. No definition available.
|