Consolidated Statements of Shareholders' Comprehensive Income - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement Of Comprehensive Income
Shareholders' net income	$ 1,408	$ 806	$ 2,776	$ 1,721
Shareholders' other comprehensive income (loss), net of tax:
Net unrealized appreciation (depreciation), securities and derivatives	343	(149)	785	(433)
Net translation (losses) gains on foreign currencies	(40)	(152)	(64)	(107)
Postretirement benefits liability adjustment	14	5	25	18
Shareholders' other comprehensive income (loss), net of tax	317	(296)	746	(522)
Shareholders' comprehensive income (loss)	$ 1,725	$ 510	$ 3,522	$ 1,199

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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