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Condensed Financial Information of The Registrant (Details) - USD ($) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2006
Assets |  |  |  |  |  |  |  |  |
Fixed maturity securities available-for-sale |  | $ 52,901,000,000 | [1] | $ 60,749,000,000 | [2] |  |  |  |
Short-term investments |  | 154,000,000 |  | 87,000,000 |  |  |  |  |
Cash and cash equivalents |  | 2,927,000,000 |  | 2,948,000,000 |  | $ 3,408,000,000 |  | $ 1,449,000,000 |
Other assets |  | 1,220,000,000 |  | 1,008,000,000 |  |  |  |  |
Total assets |  | 84,706,000,000 |  | 92,175,000,000 |  |  |  |  |
Liabilities and Equity |  |  |  |  |  |  |  |  |
Other liabilities |  | 2,655,000,000 |  | 2,663,000,000 |  |  |  |  |
Total stockholders equity |  | 4,145,000,000 |  | 13,014,000,000 |  | 14,352,000,000 | $ 11,601,000,000 |  |
Total liabilities and stockholders’ equity |  | 84,706,000,000 |  | 92,175,000,000 |  |  |  |  |
CONSOLIDATED STATEMENTS OF INCOME |  |  |  |  |  |  |  |  |
Total investment related gains (losses), net |  | (506,000,000) |  | 560,000,000 |  | (33,000,000) |  |  |
Provision for income taxes |  | 204,000,000 |  | 74,000,000 |  | 138,000,000 |  |  |
Net Income (Loss) Attributable to Parent |  | 623,000,000 |  | 617,000,000 |  | 415,000,000 |  |  |
Other Comprehensive Income (Loss), Net of Tax |  | (9,247,000,000) |  | (1,717,000,000) |  | 2,222,000,000 |  |  |
Total comprehensive income (loss) |  | (8,624,000,000) |  | (1,100,000,000) |  | 2,637,000,000 |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Debt Issuance Cost |  | (32,000,000) |  | (28,000,000) |  |  |  |  |
Long-term Debt, Gross |  | 3,993,000,000 |  | 3,695,000,000 |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  | $ 850,000,000
Cash flows from operating activities |  |  |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent |  | 623,000,000 |  | 617,000,000 |  | 415,000,000 |  |  |
Other, net |  | (217,000,000) |  | (17,000,000) |  | (48,000,000) |  |  |
Net cash provided by operating activities |  | 1,343,000,000 |  | 4,182,000,000 |  | 3,322,000,000 |  |  |
Cash flows from investing activities |  |  |  |  |  |  |  |  |
Sales of fixed maturity securities available-for-sale |  | 10,558,000,000 |  | 12,142,000,000 |  | 6,514,000,000 |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | 0 |  | (156,000,000) |  | 0 |  |  |
Payments for (Proceeds from) Short-term Investments |  | (80,000,000) |  | 371,000,000 |  | (155,000,000) |  |  |
Payments for (Proceeds from) Other Investing Activities |  | (140,000,000) |  | 547,000,000 |  | (162,000,000) |  |  |
Net cash used in investing activities |  | (5,688,000,000) |  | (4,628,000,000) |  | (2,680,000,000) |  |  |
Cash flows from financing activities |  |  |  |  |  |  |  |  |
Dividends to stockholders |  | (205,000,000) |  | (194,000,000) |  | (182,000,000) |  |  |
Purchases of treasury stock |  | (81,000,000) |  | (99,000,000) |  | (163,000,000) |  |  |
Exercise of stock options, net |  | 0 |  | 0 |  | 1,000,000 |  |  |
Maturities of Senior Debt |  | 403,000,000 |  | 403,000,000 |  | 3,000,000 |  |  |
Proceeds from affiliated long-term debt issuance |  | (700,000,000) |  | (500,000,000) |  | (598,000,000) |  |  |
Payments Of Debt Issuance Costs |  | (10,000,000) |  | (6,000,000) |  | (5,000,000) |  |  |
Net cash used in financing activities |  | (4,436,000,000) |  | (20,000,000) |  | (1,254,000,000) |  |  |
Change in cash and cash equivalents |  | (21,000,000) |  | (460,000,000) |  | 1,959,000,000 |  |  |
Cash and cash equivalents, beginning of period |  | 2,948,000,000 |  | 3,408,000,000 |  |  |  |  |
Cash and cash equivalents, end of period |  | 2,927,000,000 |  | 2,948,000,000 |  | 3,408,000,000 |  |  |
Supplemental disclosures of cash flow information: |  |  |  |  |  |  |  |  |
Interest paid |  | 163,000,000 |  | 160,000,000 |  | 166,000,000 |  |  |
Income taxes paid, net of refunds |  | 129,000,000 |  | 368,000,000 |  | 108,000,000 |  |  |
Cash Acquired from Acquisition |  | 53,000,000 |  |  |  |  |  |  |
Long-term debt |  | 3,961,000,000 |  | 3,667,000,000 |  |  |  |  |
Proceeds from Issuance of Common Stock |  | 0 |  | 0 |  | 481,000,000 |  |  |
Parent Company [Member] |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |
Fixed maturity securities available-for-sale |  | 598,000,000 |  | 523,000,000 |  |  |  |  |
Short-term investments |  | 7,000,000 |  | 7,000,000 |  |  |  |  |
Cash and cash equivalents |  | 298,000,000 |  | 92,000,000 |  | 494,000,000 | $ 10,000,000 |  |
Investments In Subsidiary |  | 7,082,000,000 |  | 15,737,000,000 |  |  |  |  |
Loans and Leases Receivable, Related Parties |  | 1,060,000,000 |  | 1,020,000,000 |  |  |  |  |
Other assets |  | 386,000,000 |  | 382,000,000 |  |  |  |  |
Total assets |  | 9,431,000,000 |  | 17,761,000,000 |  |  |  |  |
Liabilities and Equity |  |  |  |  |  |  |  |  |
Long-term debt - affiliated | [3] | 600,000,000 |  | 600,000,000 |  |  |  |  |
Other liabilities |  | 1,218,000,000 |  | 975,000,000 |  |  |  |  |
Total stockholders equity |  | 4,145,000,000 |  | 13,014,000,000 |  |  |  |  |
Total liabilities and stockholders’ equity |  | 9,431,000,000 |  | 17,761,000,000 |  |  |  |  |
CONSOLIDATED STATEMENTS OF INCOME |  |  |  |  |  |  |  |  |
Interest and Dividend Income, Operating | [4] | 325,000,000 |  | 399,000,000 |  | 472,000,000 |  |  |
Total investment related gains (losses), net |  | 2,000,000 |  | 5,000,000 |  | 14,000,000 |  |  |
Operating Expenses |  | (53,000,000) |  | (66,000,000) |  | (59,000,000) |  |  |
Interest and Debt Expense |  | (183,000,000) |  | (152,000,000) |  | (202,000,000) |  |  |
Income (loss) before income tax and undistributed earnings of subsidiaries |  | 91,000,000 |  | 186,000,000 |  | 225,000,000 |  |  |
Provision for income taxes |  | (22,000,000) |  | (21,000,000) |  | (21,000,000) |  |  |
Net income (loss) before undistributed earnings of subsidiaries |  | 113,000,000 |  | 207,000,000 |  | 246,000,000 |  |  |
Equity In Undistributed Earnings Of Subsidiaries |  | 510,000,000 |  | 410,000,000 |  | 169,000,000 |  |  |
Net Income (Loss) Attributable to Parent |  | 623,000,000 |  | 617,000,000 |  | 415,000,000 |  |  |
Other Comprehensive Income (Loss), Net of Tax |  | 19,000,000 |  | 14,000,000 |  | (29,000,000) |  |  |
Total comprehensive income (loss) |  | 642,000,000 |  | 631,000,000 |  | 386,000,000 |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Debt Issuance Cost |  | (28,000,000) |  | (23,000,000) |  |  |  |  |
Proceeds from Dividends Received |  | 188,000,000 |  | 270,000,000 |  |  |  |  |
Long-term Debt, Gross |  | 3,496,000,000 |  | 3,195,000,000 |  |  |  |  |
Long-term Debt |  | 600,000,000 |  | 600,000,000 |  |  |  |  |
Cash flows from operating activities |  |  |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent |  | 623,000,000 |  | 617,000,000 |  | 415,000,000 |  |  |
Equity Net Earnings Subsidiaries |  | (510,000,000) |  | (410,000,000) |  | (169,000,000) |  |  |
Other, net |  | 316,000,000 |  | (227,000,000) |  | (170,000,000) |  |  |
Net cash provided by operating activities |  | 429,000,000 |  | (20,000,000) |  | 76,000,000 |  |  |
Cash flows from investing activities |  |  |  |  |  |  |  |  |
Sales of fixed maturity securities available-for-sale |  | 177,000,000 |  | 268,000,000 |  | 358,000,000 |  |  |
Purchases of fixed maturity securities available-for-sale |  | (315,000,000) |  | (150,000,000) |  | (400,000,000) |  |  |
Purchases Of Subsidiary Debt Securities |  | (40,000,000) |  | (10,000,000) |  | 0 |  |  |
Payments for (Proceeds from) Short-term Investments |  | 0 |  | 165,000,000 |  | (165,000,000) |  |  |
Payments for (Proceeds from) Other Investing Activities |  | (1,000,000) |  | (1,000,000) |  | (26,000,000) |  |  |
Capital Contributions To Subsidiaries |  | (53,000,000) |  | (43,000,000) |  | (78,000,000) |  |  |
Net cash used in investing activities |  | (232,000,000) |  | 229,000,000 |  | (311,000,000) |  |  |
Cash flows from financing activities |  |  |  |  |  |  |  |  |
Dividends to stockholders |  | (205,000,000) |  | (194,000,000) |  | (182,000,000) |  |  |
Purchases of treasury stock |  | (81,000,000) |  | (99,000,000) |  | (163,000,000) |  |  |
Exercise of stock options, net |  | 0 |  | 0 |  | 1,000,000 |  |  |
Net Change In Cash Collateral For Loaned Securities |  | 5,000,000 |  | (19,000,000) |  | (11,000,000) |  |  |
Maturities of Senior Debt |  | (400,000,000) |  | (399,000,000) |  | 0 |  |  |
Repayments of Long-term Debt |  | 0 |  | (500,000,000) |  | 0 |  |  |
Proceeds from Issuance of Senior Long-term Debt |  | 700,000,000 |  | 0 |  | 598,000,000 |  |  |
Proceeds from affiliated long-term debt issuance |  | 0 |  | (600,000,000) |  | 0 |  |  |
Payments Of Debt Issuance Costs |  | (10,000,000) |  | 0 |  | (5,000,000) |  |  |
Net cash used in financing activities |  | (9,000,000) |  | (611,000,000) |  | (719,000,000) |  |  |
Change in cash and cash equivalents |  | 206,000,000 |  | (402,000,000) |  | 484,000,000 |  |  |
Cash and cash equivalents, beginning of period |  | 92,000,000 |  | 494,000,000 |  | 10,000,000 |  |  |
Cash and cash equivalents, end of period |  | 298,000,000 |  | 92,000,000 |  | 494,000,000 |  |  |
Supplemental disclosures of cash flow information: |  |  |  |  |  |  |  |  |
Interest paid |  | 156,000,000 |  | 173,000,000 |  | 187,000,000 |  |  |
Income taxes paid, net of refunds |  | 0 |  | 323,000,000 |  | 23,000,000 |  |  |
Long-term debt | [5] | 3,468,000,000 |  | 3,172,000,000 |  |  |  |  |
Proceeds from Issuance of Common Stock |  | 0 |  | 0 |  | $ 481,000,000 |  |  |
Senior Notes Due 2023 [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | 400,000,000 |  | 400,000,000 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 400,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.70% |  |  |  |  |  |  |
Senior Notes Due 2023 [Member] | Parent Company [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 400,000,000 |  | 400,000,000 |  |  |  |  |
Senior Notes Due 2026 [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | 400,000,000 |  | 400,000,000 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 400,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 3.95% |  |  |  |  |  |  |
Senior Notes Due 2026 [Member] | Parent Company [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 400,000,000 |  | 400,000,000 |  |  |  |  |
Senior Notes Due 2029 [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | 599,000,000 |  | 599,000,000 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 600,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 3.90% |  |  |  |  |  |  |
Senior Notes Due 2029 [Member] | Parent Company [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 599,000,000 |  | 599,000,000 |  |  |  |  |
Subordinated Debentures Due 2042 [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | 0 |  | 400,000,000 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 400,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 6.20% |  |  |  |  |  |  |
Subordinated Debentures Due 2042 [Member] | Parent Company [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 0 |  | 400,000,000 |  |  |  |  |
Subordinated Debentures Due 2056 [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | 400,000,000 |  | 400,000,000 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 400,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.75% |  |  |  |  |  |  |
Subordinated Debentures Due 2056 [Member] | Parent Company [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 400,000,000 |  | 400,000,000 |  |  |  |  |
Junior Subordinated Debentures Due 2065 [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | 319,000,000 |  | 319,000,000 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 400,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.82% |  |  |  |  |  |  |
Junior Subordinated Debentures Due 2065 [Member] | Parent Company [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 399,000,000 |  | 399,000,000 |  |  |  |  |
Senior Notes Due 2030 |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | 598,000,000 |  | 597,000,000 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 600,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 3.15% |  |  |  |  |  |  |
Senior Notes Due 2030 | Parent Company [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 598,000,000 |  | 597,000,000 |  |  |  |  |
Subordinated Debentures Due 2052 |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | 700,000,000 |  | 0 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 700,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 7.125% |  |  |  |  |  |  |
Subordinated Debentures Due 2052 | Parent Company [Member] |  |  |  |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 700,000,000 |  | $ 0 |  |  |  |  |
[1] | Excludes limited partnerships that are measured at estimated fair value using the NAV per share (or its equivalent) as a practical expedient. As of December 31, 2022, the fair value of such investments was $683 million
[2] | Excludes limited partnerships that are measured at estimated fair value using the NAV per share (or its equivalent) as a practical expedient. As of December 31, 2021, the fair value of such investments was $581 million.
[3] | Long-term debt includes $600 million of affiliated subordinated debt in 2022 and 2021, respectively. The affiliated subordinated debt was issued to various operating subsidiaries.
[4] | Interest/dividend income includes $188 million and $270 million of cash dividends received from consolidated subsidiaries in 2022 and 2021, respectively.
[5] | Long-term debt – unaffiliated consists of the following:
|  | 2022 |  | 2021
$400 million 4.70% Senior Notes due 2023 |  | $ | 400 |  |  | $ | 400 |
$400 million 3.95% Senior Notes due 2026 |  | 400 |  |  | 400 |
$600 million 3.90% Senior Notes due 2029 |  | 599 |  |  | 599 |
$600 million 3.15% Senior Notes due 2030 |  | 598 |  |  | 597 |
$400 million 6.20% Subordinated Debentures due 2042 |  | — |  |  | 400 |
$700 million 7.12% Subordinated Debentures due 2052 |  | 700 |  |  | — |
$400 million 5.75% Subordinated Debentures due 2056 |  | 400 |  |  | 400 |
$400 million Variable Rate Junior Subordinated Debentures due 2065 |  | 399 |  |  | 399 |
Subtotal |  | 3,496 |  |  | 3,195 |
Unamortized debt issuance costs |  | (28) |  |  | (23) |
Total |  | $ | 3,468 |  |  | $ | 3,172 |

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