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Equity (Components of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning Balance | $ 30,253 | $ 30,125
Ending Balance | 28,796 | 32,423
Accumulated Other Comprehensive Income (Loss) |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning Balance | (19,242) | (22,621)
OCI before reclassifications | (1,062) | 3,979
Deferred income tax benefit (expense) | 109 | (867)
AOCI before reclassifications, net of income tax | (20,195) | (19,509)
Amounts reclassified from AOCI | 534 | 464
Deferred income tax benefit (expense) | (110) | (102)
Amounts reclassified from AOCI, net of income tax | 424 | 362
Ending Balance | (19,771) | (19,147)
Unrealized Investment Gains (Losses), Net of Related Offsets |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning Balance | (14,506) | (22,646)
OCI before reclassifications | (3,119) | 7,583
Deferred income tax benefit (expense) | 699 | (1,728)
AOCI before reclassifications, net of income tax | (16,926) | (16,791)
Amounts reclassified from AOCI | 145 | 566
Deferred income tax benefit (expense) | (32) | (129)
Amounts reclassified from AOCI, net of income tax | 113 | 437
Ending Balance | (16,813) | (16,354)
Unrealized Gains (Losses) on Derivatives |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning Balance | 183 | 1,557
OCI before reclassifications | (341) | 387
Deferred income tax benefit (expense) | 76 | (97)
AOCI before reclassifications, net of income tax | (82) | 1,847
Amounts reclassified from AOCI | 357 | (132)
Deferred income tax benefit (expense) | (73) | 33
Amounts reclassified from AOCI, net of income tax | 284 | (99)
Ending Balance | 202 | 1,748
Future Policy Benefits Discount Rate Remeasurement Gains (Losses) |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning Balance | 2,658 | 6,115
OCI before reclassifications | 2,711 | (4,369)
Deferred income tax benefit (expense) | (596) | 1,002
AOCI before reclassifications, net of income tax | 4,773 | 2,748
Amounts reclassified from AOCI | 0 | 0
Deferred income tax benefit (expense) | 0 | 0
Amounts reclassified from AOCI, net of income tax | 0 | 0
Ending Balance | 4,773 | 2,748
Market Risk Benefits Instrument-Specific Credit Risk Remeasurement Gains (Losses) |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning Balance | 27 | 107
OCI before reclassifications | (94) | 100
Deferred income tax benefit (expense) | 20 | (21)
AOCI before reclassifications, net of income tax | (47) | 186
Amounts reclassified from AOCI | 0 | 0
Deferred income tax benefit (expense) | 0 | 0
Amounts reclassified from AOCI, net of income tax | 0 | 0
Ending Balance | (47) | 186
Foreign Currency Translation Adjustments |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning Balance | (6,158) | (6,377)
OCI before reclassifications | (217) | 282
Deferred income tax benefit (expense) | (90) | (24)
AOCI before reclassifications, net of income tax | (6,465) | (6,119)
Amounts reclassified from AOCI | 0 | 0
Deferred income tax benefit (expense) | 0 | 0
Amounts reclassified from AOCI, net of income tax | 0 | 0
Ending Balance | (6,465) | (6,119)
Defined Benefit Plans Adjustment |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |
Beginning Balance | (1,446) | (1,377)
OCI before reclassifications | (2) | (4)
Deferred income tax benefit (expense) | 0 | 1
AOCI before reclassifications, net of income tax | (1,448) | (1,380)
Amounts reclassified from AOCI | 32 | 30
Deferred income tax benefit (expense) | (5) | (6)
Amounts reclassified from AOCI, net of income tax | 27 | 24
Ending Balance | $ (1,421) | $ (1,356)

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