Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net income	$ 278	$ 270	$ 620	$ 561
Other Comprehensive Income (Loss), Net of Tax
Net unrealized gains on investments	436	(160)	966	(598)
Foreign currency translation adjustment	0	(52)	17	(40)
Pension and postretirement benefits	8	7	15	17
Other comprehensive income (loss), net of tax	444	(205)	998	(621)
Total comprehensive income (loss)	722	65	1,618	(60)
Net unrealized gains on investments with other-than-temporary impairments
Other Comprehensive Income (Loss), Net of Tax
Net unrealized gains on investments	0	(1)	4	(10)
Net unrealized gains on other investments
Other Comprehensive Income (Loss), Net of Tax
Net unrealized gains on investments	$ 436	$ (159)	$ 962	$ (588)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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