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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income (loss) | $ 1,145 | $ 1,966
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Decrease (increase) in premiums receivable | (417) | (529)
Decrease (increase) in funds held by reinsureds, net | (43) | (99)
Decrease (increase) in reinsurance recoverables | (266) | (112)
Decrease (increase) in income taxes | 80 | (65)
Decrease (increase) in prepaid reinsurance premiums | 77 | (201)
Increase (decrease) in reserve for losses and loss adjustment expenses | 3,086 | 2,605
Increase (decrease) in unearned premiums | (48) | 767
Increase (decrease) in amounts due to reinsurers | 213 | 278
Increase (decrease) in losses in course of payment | (23) | 86
Change in equity adjustments in limited partnerships | (242) | (236)
Distribution of limited partnership income | 128 | 106
Change in other assets and liabilities, net | (204) | (376)
Non-cash compensation expense | 43 | 49
Amortization of bond premium (accrual of bond discount) | (122) | (113)
Net (gains) losses on investments | 59 | 50
Net cash provided by (used in) operating activities | 3,466 | 4,177
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Proceeds from fixed maturities matured/called/repaid - available for sale | 3,376 | 2,692
Proceeds from fixed maturities sold - available for sale | 933 | 4,322
Proceeds from fixed maturities matured/called/repaid - held to maturity | 156 | 129
Proceeds from fixed maturities sold - held to maturity | 10 | 0
Proceeds from equity securities sold | 55 | 15
Distributions from other invested assets | 266 | 289
Cost of fixed maturities acquired - available for sale | (8,021) | (9,069)
Cost of fixed maturities acquired - held to maturity | (6) | (46)
Cost of equity securities acquired | (2) | (35)
Cost of other invested assets acquired | (406) | (438)
Net change in short-term investments | 945 | (1,724)
Net change in unsettled securities transactions | (66) | 321
Net cash provided by (used in) investing activities | (2,759) | (3,545)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Common shares issued (redeemed) during the period for share-based compensation, net of expense | (19) | (23)
Purchase of treasury shares | (400) | (200)
Dividends paid to shareholders | (253) | (249)
Cost of shares withheld on settlements of share-based compensation awards | (20) | (23)
Net cash provided by (used in) financing activities | (693) | (495)
EFFECT OF EXCHANGE RATE CHANGES ON CASH | (24) | 25
Net increase (decrease) in cash | (10) | 162
Cash, beginning of period | 1,549 | 1,437
Cash, end of period | 1,539 | 1,599
SUPPLEMENTAL CASH FLOW INFORMATION: |  |
Income taxes paid (recovered) | 98 | 340
Interest paid | 91 | 90
NON-CASH TRANSACTIONS: |  |
Non-cash limited partnership distribution | $ 8 | $ 23

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Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration