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Capital One Financial Corporation (Parent Company Only) - Statements of Cash Flows (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Operating activities: |  |  |
Net income | $ 2,714 | $ 5,546 | $ 6,015
Adjustments to reconcile net income to net cash from operating activities: |  |  |
Net cash from operating activities | 16,699 | 16,639 | 12,978
Investing activities: |  |  |
Net cash from investing activities | (14,841) | (22,998) | (15,618)
Common stock: |  |  |
Net proceeds from issuances | 241 | 199 | 175
Dividends paid | (460) | (753) | (773)
Preferred stock: |  |  |
Net proceeds from issuances | 1,330 | 1,462 | 0
Dividends paid | (280) | (282) | (265)
Redemptions | (1,375) | (1,000) | 0
Purchases of treasury stock | (393) | (1,481) | (2,284)
Proceeds from share-based payment activities | 62 | 17 | 38
Net cash from financing activities | 25,164 | 6,619 | 1,777
Changes in cash and cash equivalents | 27,022 | 260 | (863)
Cash, cash equivalents and restricted cash for securitization investors, beginning of the period | 13,749 | 13,489 | 14,352
Cash, cash equivalents and restricted cash for securitization investors, end of the period | 40,771 | 13,749 | 13,489
Parent Company |  |  |
Operating activities: |  |  |
Net income | 2,714 | 5,546 | 6,015
Adjustments to reconcile net income to net cash from operating activities: |  |  |
Equity in undistributed earnings of subsidiaries | (102) | (2,569) | (3,554)
Other operating activities | 1,217 | 216 | (35)
Net cash from operating activities | 3,829 | 3,193 | 2,426
Investing activities: |  |  |
Changes in investments in subsidiaries | (217) | 704 | (577)
Proceeds from paydowns and maturities of securities available for sale | 117 | 111 | 140
Changes in loans to subsidiaries | (2,019) | (1,302) | (2,055)
Net cash from investing activities | (2,119) | (487) | (2,492)
Financing activities: |  |  |
Changes in borrowings from subsidiaries | 0 | 0 | 38
Issuance of senior and subordinated notes | 1,991 | 2,646 | 5,227
Maturities and paydowns of senior and subordinated notes | (2,900) | (750) | 0
Common stock: |  |  |
Net proceeds from issuances | 241 | 199 | 175
Dividends paid | (460) | (753) | (773)
Preferred stock: |  |  |
Net proceeds from issuances | 1,330 | 1,462 | 0
Dividends paid | (280) | (282) | (265)
Redemptions | (1,375) | (1,000) | 0
Purchases of treasury stock | (393) | (1,481) | (2,284)
Proceeds from share-based payment activities | 62 | 17 | 38
Net cash from financing activities | (1,784) | 58 | 2,156
Changes in cash and cash equivalents | (74) | 2,764 | 2,090
Cash, cash equivalents and restricted cash for securitization investors, beginning of the period | 13,050 | 10,286 | 8,196
Cash, cash equivalents and restricted cash for securitization investors, end of the period | 12,976 | 13,050 | 10,286
Supplemental information: |  |  |
Decrease in investment in subsidiaries | 0 | 1,508 | 0
Decrease in borrowings from subsidiaries | $ 0 | $ 1,671 | $ 0

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