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Schedule II - Condensed Financial Information of Registrant - Statement of Cash Flows (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating Activities: |  |  |
Net Cash Provided by (Used in) Operating Activities | $ 5,749 | $ 3,816 | $ 3,425
Investing Activities: |  |  |
Net (purchases) sales of short-term investments | (696) | 467 | 165
Purchases of fixed assets | (52) | (50) | (41)
Other | (23) | 125 | (524)
Net cash used for investing activities | (5,468) | (3,101) | (2,138)
Financing Activities: |  |  |
Purchases of common shares under share repurchase program | 0 | (586) | (1,234)
Proceeds from common shares issued, net | (2) | 6 | 6
Proceeds from issuance of preferred shares, net | 0 | 0 | 486
Redemption of preferred shares | 0 | 0 | (450)
Preferred dividends paid | (40) | (40) | (47)
Net Cash Provided by (Used in) Financing Activities | (69) | (706) | (1,229)
Increase (decrease) in cash and restricted cash | 225 | (41) | 24
Cash and restricted cash, beginning of year | 1,273 | 1,314 | 1,290
Cash and restricted cash, end of year | 1,498 | 1,273 | 1,314
Parent |  |  |
Operating Activities: |  |  |
Net Cash Provided by (Used in) Operating Activities | 46 | 621 | 1,728
Investing Activities: |  |  |
Net (purchases) sales of short-term investments | (8) | (5) | (2)
Capital contributed to subsidiaries | 0 | 0 | (487)
Purchases of fixed assets | 0 | 0 | (1)
Other | 1 | (1) | 0
Net cash used for investing activities | (7) | (6) | (490)
Financing Activities: |  |  |
Purchases of common shares under share repurchase program | 0 | (586) | (1,234)
Proceeds from common shares issued, net | (2) | 6 | 6
Proceeds from issuance of preferred shares, net | 0 | 0 | 486
Redemption of preferred shares | 0 | 0 | (450)
Preferred dividends paid | (40) | (40) | (48)
Net Cash Provided by (Used in) Financing Activities | (42) | (620) | (1,240)
Increase (decrease) in cash and restricted cash | (3) | (5) | (2)
Cash and restricted cash, beginning of year | 12 | 17 | 19
Cash and restricted cash, end of year | $ 9 | $ 12 | $ 17

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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-24 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-4 + Details
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