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Policyholder Account Balances (Guaranteed Minimum) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	$ 22,118		$ 23,543
Americas [Member] | Life Insurance Product Line [Member] | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,581	$ 1,612	1,639	$ 1,683
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	496		521
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	103		1,118
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	982		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,581		1,639
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	496		521
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	103		1,118
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	982		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Life Insurance Product Line [Member] | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	16,757	17,838	17,954	18,906
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	15,518		16,715
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	287		318
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	599		707
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	194		71
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	159		143
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	2,141		2,462
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,367		1,724
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	15		13
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	560		637
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	164		31
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	35		57
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	4,175		4,834
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	3,835		4,515
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	225		249
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	2		0
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	113		70
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	8,935		8,759
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	8,902		8,717
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	33		42
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,506		1,899
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,414		1,759
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	14		14
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	37		70
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	30		40
Americas [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	11		16
Asia Pacific [Member] | Insurance, Other | Other Segments
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	3,734	$ 3,990	3,898	$ 3,351
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	3,734		3,898
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	602		694
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	602		694
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,144		1,160
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,144		1,160
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,206		973
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	1,206		973
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	218		314
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	218		314
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeLessThan100Member | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	564		757
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	564		757
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	0		0
Asia Pacific [Member] | Insurance, Other | Other Segments | PolicyholderAccountBalanceGuaranteedMinimumCreditingRateRangeFrom0100To0199Member | PolicyholderAccountBalanceAboveGuaranteedMinimumCreditingRateRangeFrom0051To0100
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]
Policyholder Account Balance	$ 0		$ 0

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