Policyholder Account Balances (Guaranteed Minimum) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	$ 23,490	$ 24,010
Life Insurance Product Line [Member] | Americas [Member] | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,612	1,683	$ 1,719
Life Insurance Product Line [Member] | Americas [Member] | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,612	1,683
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	509	654
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	509	654
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	110	1,029
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	110	1,029
Life Insurance Product Line [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	993	0
Life Insurance Product Line [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	993	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Life Insurance Product Line [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	17,838	18,906	18,758
Insurance, Other [Member] | Americas [Member] | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,716	2,066
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	2,356	2,686
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	4,565	5,268
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	9,201	8,886
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	16,536	17,650
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,602	1,913
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,556	1,935
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	4,223	4,965
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	9,155	8,837
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	322	309
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	10	13
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	14	8
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	252	239
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	46	49
Insurance, Other [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	143	206
Insurance, Other [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	14	43
Insurance, Other [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	39	99
Insurance, Other [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	90	64
Insurance, Other [Member] | Americas [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	723	700
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	60	56
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	663	644
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	114	41
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	30	41
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	84	0
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Americas [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	3,990	3,351	$ 1,621
Insurance, Other [Member] | Asia Pacific [Member] | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	275	292
Insurance, Other [Member] | Asia Pacific [Member] | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	696	719
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	718	770
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,297	1,122
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,004	448
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	3,990	3,351
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	275	292
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	696	719
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	718	770
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,297	1,122
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,004	448
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0	0
Insurance, Other [Member] | Asia Pacific [Member] | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	$ 0	$ 0