Goodwill (Changes In Carrying Amount Of Goodwill, By Reportable Segment) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]
Goodwill Gross		$ 3,932
Accumulated impairment as of beginning-of-year		(2,154)
Net goodwill as of end-of-year	$ 1,144	1,778
Goodwill [Roll Forward]
Goodwill	1,778
Impairment	(634)
Goodwill	1,144
Annuities Segment [Member]
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]
Goodwill Gross		1,040
Accumulated impairment as of beginning-of-year		(600)
Net goodwill as of end-of-year	440	440
Goodwill [Roll Forward]
Goodwill	440
Goodwill	440
Retirement Plan Services Segment [Member]
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]
Goodwill Gross		20
Net goodwill as of end-of-year	20	20
Goodwill [Roll Forward]
Goodwill	20
Goodwill	20
Life Insurance Segment [Member]
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]
Goodwill Gross		2,188
Accumulated impairment as of beginning-of-year		(1,554)
Net goodwill as of end-of-year		634
Goodwill [Roll Forward]
Goodwill	634
Impairment	(634)
Group Protection Segment [Member]
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]
Goodwill Gross		684
Net goodwill as of end-of-year	684	$ 684
Goodwill [Roll Forward]
Goodwill	684
Goodwill	$ 684