Business Combinations and Asset Acquisitions (Details) $ / shares in Units, $ in Millions		6 Months Ended
	Jan. 01, 2022 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) shares	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) shares	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Accrued investment income (related party: 2022 – $76 and 2021 – $54)		$ 1,086		$ 962
Business Combination, Consideration Transferred, Liabilities Incurred	$ 4,547	4,295			$ 766		$ 813
Cash and cash equivalents		11,172		9,479
Goodwill		4,153		0
Restricted cash		753		796
Reinsurance recoverable (portion at fair value: 2022 – $1,580 and 2021 – $1,991)		4,437		4,594
Interest sensitive contract liabilities (related party: 2022 – $12,653 and 2021 – $12,948; portion at fair value: 2022 – $6,394 and 2021 – $16,142)		164,571		156,325
Future policy benefits (related party: 2022 – $2,078 and 2021 – $1,853; portion at fair value: 2022 – $1,870 and 2021 – $2,262)		52,478		42,488
Derivative liabilities		1,223		472
Payables for collateral on derivatives and securities to repurchase		6,013		7,044
Cumulative-effect adjustment that decreased retained earnings	22,546	3,389	$ 13,692	22,181	$ 21,671	$ 18,336	$ 20,140
Athene Freedom Holdings LP | Stockholders' Equity, Total
Business Acquisition [Line Items]
Investments		$ 1,323		$ 3,119
Common Class A
Business Acquisition [Line Items]
Common stock outstanding (in shares) | shares		203,800,000		192,200,000
Apollo Global Management , Inc.
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	13,050
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value	4,554
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination	17,604
Investments	175,987
Business Combination, Consideration Transferred, Liabilities Incurred	4,547
Cash and cash equivalents	9,479
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	5,754
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	238,961
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	18,393
Goodwill	4,153
Restricted cash	796
Reinsurance recoverable (portion at fair value: 2022 – $1,580 and 2021 – $1,991)	4,977
Interest sensitive contract liabilities (related party: 2022 – $12,653 and 2021 – $12,948; portion at fair value: 2022 – $6,394 and 2021 – $16,142)	160,205
Future policy benefits (related party: 2022 – $2,078 and 2021 – $1,853; portion at fair value: 2022 – $1,870 and 2021 – $2,262)	47,120
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	3,295
Payables for collateral on derivatives and securities to repurchase	7,044
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	2,443
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities	220,568
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value	2,276
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest	13,451
Business Acquisition, Transaction Costs				$ 70
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	$ 6,603
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares	158,200,000
Share Price | $ / shares	$ 72.43
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 699
Business Combination, Consideration Transferred, Other	896
Business Combination, Consideration Transferred prior to Adjustments	$ 11,455
Business Combination, Share Exchange Ratio	1.149
Goodwill, Purchase Accounting Adjustments		$ (28)
Business Acquisition, Share Conversion Rate | shares	1.149
Apollo Global Management , Inc. | Apollo
Business Acquisition [Line Items]
Common Stock, Shares, Outstanding and Previously Held | shares	54,600,000
Apollo Global Management , Inc. | Trade Names
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 160
Finite-Lived Intangible Asset, Useful Life	20 years
Apollo Global Management , Inc. | Distribution Rights
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 1,870
Finite-Lived Intangible Asset, Useful Life	18 years
Apollo Global Management , Inc. | Insurance Contracts Acquired in Business Combination
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 4,547
Finite-Lived Intangible Asset, Useful Life	7 years
Apollo Global Management , Inc. | Licensing Agreements
Business Acquisition [Line Items]
Indefinite-lived Intangible Assets Acquired	$ 26
Apollo Global Management , Inc. | Preferred stock
Business Acquisition [Line Items]
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value	$ 2,666
Apollo Global Management , Inc. | Common Class A
Business Acquisition [Line Items]
Common stock outstanding (in shares) | shares	137,600,000
Related Party
Business Acquisition [Line Items]
Accrued investment income (related party: 2022 – $76 and 2021 – $54)		76		54
Interest sensitive contract liabilities (related party: 2022 – $12,653 and 2021 – $12,948; portion at fair value: 2022 – $6,394 and 2021 – $16,142)		12,653		12,948
Future policy benefits (related party: 2022 – $2,078 and 2021 – $1,853; portion at fair value: 2022 – $1,870 and 2021 – $2,262)		2,078		1,853
Related Party | Apollo Global Management , Inc.
Business Acquisition [Line Items]
Investments	$ 33,786
Variable Interest Entities
Business Acquisition [Line Items]
Cash and cash equivalents		$ 198		$ 154
Variable Interest Entities | Apollo Global Management , Inc.
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	3,635
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	$ 461