Segment Information (Earnings) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Revenues
Premiums	$ 12,120	$ 11,723
Universal life and investment-type product policy fees	1,343	1,229
Net investment income	5,355	4,885
Other revenues	852	687
Expenses
Policyholder liability remeasurement (gains) losses	(13)	(31)
Interest credited to policyholder account balances	1,674	1,647
Amortization of DAC, VOBA and negative VOBA	568	519
Interest expense on debt	265	258
Provision for income tax expense (benefit)	345	404
Adjusted earnings	$ 1,631	$ 1,415
Group Benefits
Expenses
Net investment income from equity method investments	1.00%	1.00%
RIS
Expenses
Net investment income from equity method investments	7.00%	5.00%
Asia
Expenses
Net investment income from equity method investments	17.00%	11.00%
Latin America
Expenses
Net investment income from equity method investments	1.00%	1.00%
EMEA
Expenses
Net investment income from equity method investments	1.00%	0.00%
Operating Segments
Expenses
Adjusted earnings	$ 1,763	$ 1,478
Operating Segments \| Group Benefits
Revenues
Premiums	5,848	5,763
Universal life and investment-type product policy fees	230	233
Net investment income	352	353
Other revenues	461	434
Expenses
Policyholder benefits and claims and policyholder dividends	5,147	5,183
Policyholder liability remeasurement (gains) losses	(2)	(18)
Interest credited to policyholder account balances	70	72
Amortization of DAC, VOBA and negative VOBA	12	6
Interest expense on debt	1	1
Direct and Allocated Expenses	540	529
Other segment expenses	568	542
Provision for income tax expense (benefit)	116	98
Adjusted earnings	439	370
Operating Segments \| RIS
Revenues
Premiums	2,212	2,284
Universal life and investment-type product policy fees	109	104
Net investment income	2,252	2,190
Other revenues	69	69
Expenses
Policyholder benefits and claims and policyholder dividends	3,066	3,120
Policyholder liability remeasurement (gains) losses	(20)	(15)
Interest credited to policyholder account balances	883	883
Amortization of DAC, VOBA and negative VOBA	23	19
Interest expense on debt	3	3
Direct and Allocated Expenses	93	98
Other segment expenses	36	34
Provision for income tax expense (benefit)	107	99
Adjusted earnings	451	406
Operating Segments \| Asia
Revenues
Premiums	1,294	1,260
Universal life and investment-type product policy fees	427	406
Net investment income	1,461	1,204
Other revenues	17	15
Expenses
Policyholder benefits and claims and policyholder dividends	1,088	1,037
Policyholder liability remeasurement (gains) losses	(15)	(11)
Interest credited to policyholder account balances	833	711
Amortization of DAC, VOBA and negative VOBA	211	216
Interest expense on debt	0	0
Direct and Allocated Expenses	298	306
Other segment expenses	95	92
Provision for income tax expense (benefit)	202	162
Adjusted earnings	487	372
Operating Segments \| Latin America
Revenues
Premiums	1,485	1,164
Universal life and investment-type product policy fees	419	340
Net investment income	409	408
Other revenues	(7)	9
Expenses
Policyholder benefits and claims and policyholder dividends	1,349	1,091
Policyholder liability remeasurement (gains) losses	0	(3)
Interest credited to policyholder account balances	85	98
Amortization of DAC, VOBA and negative VOBA	173	129
Interest expense on debt	5	4
Direct and Allocated Expenses	158	135
Other segment expenses	206	176
Provision for income tax expense (benefit)	101	72
Adjusted earnings	229	219
Operating Segments \| EMEA
Revenues
Premiums	689	582
Universal life and investment-type product policy fees	99	78
Net investment income	67	58
Other revenues	9	8
Expenses
Policyholder benefits and claims and policyholder dividends	337	277
Policyholder liability remeasurement (gains) losses	3	0
Interest credited to policyholder account balances	21	17
Amortization of DAC, VOBA and negative VOBA	97	94
Interest expense on debt	0	0
Direct and Allocated Expenses	122	109
Other segment expenses	141	120
Provision for income tax expense (benefit)	33	26
Adjusted earnings	110	83
Operating Segments \| MIM
Revenues
Premiums	0	0
Universal life and investment-type product policy fees	0	0
Net investment income	5	1
Other revenues	314	218
Expenses
Policyholder benefits and claims and policyholder dividends	0	0
Policyholder liability remeasurement (gains) losses	0	0
Interest credited to policyholder account balances	0	0
Amortization of DAC, VOBA and negative VOBA	0	0
Interest expense on debt	1	0
Direct and Allocated Expenses	242	173
Other segment expenses	13	9
Provision for income tax expense (benefit)	16	9
Adjusted earnings	$ 47	$ 28

Amount of amortization expense (reversal of expense) for deferred policy acquisition costs and present value of future profits from insurance contract acquired in business combination. Negative value of business acquired is amortized over the policy period reflecting the expected pattern of losses included in the liability. Such amortization is recorded in other expenses.

No definition available.