Disposal Group, Including Discontinued Operations, Adjustments to AOCI

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- Definition

TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect

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No definition available.

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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- Definition

Amount after tax of other comprehensive income (loss) attributable to parent entity.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Amount of stockholders' equity including the portion attributable to noncontrolling interests, after the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Changes in and Reclassifications From Accumulated Other Comprehensive Income (Loss) - AOCI Rollforward (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Jan. 01, 2018	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2018	May 31, 2018	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect	$ (88)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	13,494	$ 13,494	$ 13,494	$ 16,903
OCI, net of tax			(2,237)	1,000	$ (8)
Ending balance			13,101	13,494	16,903
Net Unrealized Gain on Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative effect of accounting changes, net of tax				273
Adjusted balance beginning of period				2,204
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	1,931	1,931	1,931	1,276	1,279
OCI before reclassifications [2]			(2,245)	857	83
Amounts reclassified from AOCI			65	(202)	(86)
OCI, net of tax			(2,180)	655	(3)
Ending balance			24	1,931	1,276
OTTI Losses in OCI
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative effect of accounting changes, net of tax				0
Adjusted balance beginning of period				(3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(3)	(3)	(3)	(3)	(7)
OCI before reclassifications [2]			0	0	1
Amounts reclassified from AOCI			(1)	0	3
OCI, net of tax			(1)	0	4
Ending balance			(4)	(3)	(3)
Net Gain (Loss) on Cash Flow Hedging Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative effect of accounting changes, net of tax				2
Adjusted balance beginning of period				20
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	18	18	18	76	130
OCI before reclassifications [2]			8	(8)	(8)
Amounts reclassified from AOCI			(33)	(50)	(46)
OCI, net of tax			(25)	(58)	(54)
Ending balance			(5)	18	76
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative effect of accounting changes, net of tax				4
Adjusted balance beginning of period				38
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	34	34	34	6	(55)
OCI before reclassifications [2]			(8)	28	(37)
Amounts reclassified from AOCI			0	0	98
OCI, net of tax			(8)	28	61
Ending balance			30	34	6
Pension and Other Postretirement Plan Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative effect of accounting changes, net of tax				(284)
Adjusted balance beginning of period				(1,601)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,317)	(1,317)	(1,317)	(1,692)	(1,676)
OCI before reclassifications [2]			(61)	(146)	(52)
Amounts reclassified from AOCI			38	521	36
OCI, net of tax			(23)	375	(16)
Ending balance			(1,624)	(1,317)	(1,692)
AOCI, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative effect of accounting changes, net of tax				(5)	0			$ 0
Adjusted balance beginning of period				658	(337)			$ (329)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	663	663	663	(337)	(329)
OCI before reclassifications [2]			(2,306)	731	(13)
Amounts reclassified from AOCI			69	269	5
OCI, net of tax			(2,237)	1,000	(8)
Ending balance			$ (1,579)	663	$ (337)
Equity securities and shadow DAC [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative effect of accounting changes, net of tax	$ 93
Discontinued Operations, Held-for-sale or Disposed of by Sale [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect		$ (193)
Disposal Group, Including Discontinued Operations, Adjustments to AOCI				$ 1,000		$ 758	$ 758