Supplementary Disclosure of Consolidated Cash Flow Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019
Cash Equivalents, Restricted Cash and Restricted Cash Equivalents:
Cash	$ 2,198	[1]	$ 2,827	[1]	$ 2,856
Total cash and restricted cash shown in the Consolidated Statements of Cash Flows	2,427		3,230		3,287
Cash paid during the period for:
Interest	1,348		1,147		1,326
Taxes	862		975		252
Non-cash investing activities:
Fixed maturity securities available for sale received in connection with pension risk transfer transactions	2,284		1,140		1,072
Fixed maturity securities received in connection with reinsurance transactions	161		362		0
Fixed maturity securities transferred in connection with reinsurance transactions	(837)		(266)		0
Non-cash financing activities:
Interest credited to policyholder contract deposits included in financing activities	3,586		3,734		3,792
Fee income debited to policyholder contract deposits included in financing activities	(1,690)		(1,710)		(1,733)
Change in cash of held for sale assets	0		0		(63)
Other assets
Cash Equivalents, Restricted Cash and Restricted Cash Equivalents:
Restricted cash	32		223		243
Short-term investments
Cash Equivalents, Restricted Cash and Restricted Cash Equivalents:
Restricted cash	$ 197		$ 180		$ 188

[1] See Note 9 for details of balances associated with variable interest entities.