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Capital One Financial Corporation (Parent Company Only) - Statements of Cash Flows (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating activities: |  |  |
Net income | $ 4,887 | $ 7,360 | $ 12,390
Adjustments to reconcile net income (loss) to net cash from operating activities: |  |  |
Net cash from operating activities | 20,575 | 13,809 | 12,310
Investing activities: |  |  |
Net cash used in investing activities | (21,920) | (29,738) | (31,501)
Common stock: |  |  |
Net proceeds from issuances | 299 | 276 | 253
Dividends paid | (931) | (950) | (1,148)
Preferred stock: |  |  |
Net proceeds from issuances | 0 | 0 | 2,052
Dividends paid | (228) | (228) | (274)
Redemptions | 0 | 0 | (2,100)
Purchases of treasury stock | (718) | (4,948) | (7,605)
Proceeds from share-based payment activities | 10 | 19 | 55
Net cash from financing activities | 13,844 | 25,131 | 474
Changes in cash, cash equivalents and restricted cash for securitization investors | 12,499 | 9,202 | (18,717)
Cash, cash equivalents and restricted cash for securitization investors, beginning of the period | 31,256 | 22,054 | 40,771
Cash, cash equivalents and restricted cash for securitization investors, end of the period | 43,755 | 31,256 | 22,054
Parent Company |  |  |
Operating activities: |  |  |
Net income | 4,887 | 7,360 | 12,390
Adjustments to reconcile net income (loss) to net cash from operating activities: |  |  |
Equity in undistributed earnings of subsidiaries | (1,936) | (3,250) | 1,360
Other operating activities | 623 | (2,429) | (4,523)
Net cash from operating activities | 3,574 | 1,681 | 9,227
Investing activities: |  |  |
Changes in investments in subsidiaries | 0 | 0 | 3,521
Proceeds from paydowns and maturities of securities available for sale | 103 | 96 | 141
Purchases of securities available for sale | (69) | (10) | 0
Changes in loans to subsidiaries | 371 | 1,139 | (1,925)
Net cash used in investing activities | 405 | 1,225 | 1,737
Financing activities: |  |  |
Issuance of senior and subordinated notes | 8,219 | 9,271 | 4,487
Maturities and paydowns of senior and subordinated notes | (6,989) | (1,250) | (2,750)
Common stock: |  |  |
Net proceeds from issuances | 299 | 276 | 253
Dividends paid | (931) | (950) | (1,148)
Preferred stock: |  |  |
Net proceeds from issuances | 0 | 0 | 2,052
Dividends paid | (228) | (228) | (274)
Redemptions | 0 | 0 | (2,100)
Purchases of treasury stock | (718) | (4,948) | (7,605)
Proceeds from share-based payment activities | 10 | 19 | 55
Net cash from financing activities | (338) | 2,190 | (7,030)
Changes in cash, cash equivalents and restricted cash for securitization investors | 3,641 | 5,096 | 3,934
Cash, cash equivalents and restricted cash for securitization investors, beginning of the period | 22,006 | 16,910 | 12,976
Cash, cash equivalents and restricted cash for securitization investors, end of the period | $ 25,647 | $ 22,006 | $ 16,910

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