Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	1 Months Ended	9 Months Ended
	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Cash paid for:
Interest		$ 47	$ 43
Income taxes		191	152
Deferred sales inducements		25	0
Non-cash investing and financing activities:
Equity financing associated with the acquisition of F&G	$ 609		0
Change in proceeds of sales of investments available for sale receivable in period		(67)	(7)
Change in purchases of investments available for sale payable in period		93	(8)
Lease liabilities recognized in exchange for lease right-of-use assets		39	27
Remeasurement of lease liabilities		$ 39	$ 57