Consolidated Balance Sheets - USD ($) $ in Millions		Mar. 31, 2025		Dec. 31, 2024
Investments and cash:
Fixed maturity securities, available-for-sale		$ 67,144		$ 65,269
Fixed maturity securities, held-to-maturity		16,888	[1]	15,966
Equity securities		764		796
Commercial mortgage and other loans		10,656		10,869
Other investments		6,763		5,958
Cash and cash equivalents		5,231		6,229
Total investments and cash		107,446		105,087
Receivables		894		779
Accrued investment income		682		710
Deferred policy acquisition costs		9,083		8,758
Property and equipment, at cost less accumulated depreciation		391		387
Other		1,762		1,845
Total assets		120,258		117,566
Policy liabilities:
Future policy benefits		71,197		70,381
Unpaid policy claims		411		381
Unearned premiums		1,357		1,286
Other policyholders’ funds		5,863		5,460
Total policy liabilities		78,828		77,508
Income taxes		815		573
Payables for return of cash collateral on loaned securities		3,142		2,037
Notes payable and lease obligations		7,751		7,498
Other		3,384		3,852
Total liabilities		93,920		91,468
Commitments and contingent liabilities (Note 13)
Shareholders’ equity:
Common stock of $.10 par value. In thousands: authorized 1,900,000 shares in 2025 and 2024; issued 1,357,752 shares in 2025 and 1,356,763 shares in 2024		136		136
Additional paid-in capital		2,919		2,894
Retained earnings		52,308		52,277
Accumulated other comprehensive income (loss):
Unrealized foreign currency translation gains (losses)		(4,549)		(4,998)
Unrealized gains (losses) on fixed maturity securities		(1,233)		24
Unrealized gains (losses) on derivatives		(18)		(20)
Effect of changes in discount rate assumptions		3,899		2,006
Pension liability adjustment		42		10
Treasury stock, at average cost		(27,166)		(26,231)
Total shareholders’ equity		26,338		26,098
Total liabilities and shareholders’ equity		120,258		117,566
Consolidated Entity Excluding Variable Interest Entities (VIE)
Investments and cash:
Fixed maturity securities, available-for-sale		63,547		61,841
Variable Interest Entity, Consolidated
Investments and cash:
Fixed maturity securities, available-for-sale		3,597		3,428
Commercial mortgage and other loans		8,540		8,693
Other investments	[2]	2,151		2,176
Total assets		14,337		14,350
Policy liabilities:
Total liabilities		$ 642		$ 604

[1] Net of allowance for credit losses

[2] Consists entirely of alternative investments in limited partnerships, which represent VIEs where the Company is not the primary beneficiary and, therefore, are not consolidated