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Condensed Financial Information Parent Company Statements of Cash Flow (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Operating activities: |  |  |
Net income | $ 1,893 | $ 2,074 | $ 2,245
Adjustments to reconcile net income to net cash from operating activities: |  |  |
Depreciation, amortization and accretion, net | 144 | 236 | 353
Net change in operating assets and liabilities: |  |  |
Other assets | (831) | 194 | (2,242)
Other liabilities | 3 | (659) | 2,092
Other | 111 | 87 | (77)
Net cash from operating activities | 1,598 | 2,308 | 3,102
Investing activities: |  |  |
Proceeds from sales and maturities of debt securities available for sale | 3,225 | 2,930 | 4,433
Purchases of debt securities available for sale | (9,612) | (2,610) | (8,991)
Net cash from investing activities | (262) | (1,607) | (12,941)
Financing activities: |  |  |
Proceeds from long-term borrowings | 3,740 | 2,000 | 0
Payments on long-term borrowings | 100 | 2,000 | 0
Cash dividends on common stock | 890 | 787 | 663
Cash dividends on preferred stock | 104 | 98 | 99
Repurchases of common stock | (348) | (252) | (230)
Net cash from financing activities | 2,575 | (5,127) | (8,345)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | 3,911 | (4,426) | (18,184)
Parent Company |  |  |
Operating activities: |  |  |
Net income | 1,893 | 2,074 | 2,245
Adjustments to reconcile net income to net cash from operating activities: |  |  |
Equity In Undistributed Earnings Of Subsidiaries | (43) | (681) | (1,073)
Provision for deferred income taxes | (6) | (4) | (3)
Depreciation, amortization and accretion, net | 3 | 2 | 2
Loss on sale of assets | 0 | (6) | 0
Net change in operating assets and liabilities: |  |  |
Other assets | 28 | (11) | 12
Other liabilities | 28 | (9) | (27)
Other | 37 | 74 | (89)
Net cash from operating activities | 1,940 | 1,439 | 1,067
Investing activities: |  |  |
(Investment in) / repayment of investment in subsidiaries | (1,675) | (8) | (23)
Proceeds from sales and maturities of debt securities available for sale | 21 | 13 | 8
Purchases of debt securities available for sale | (20) | (11) | (9)
Other, net | (2) | (21) | 0
Net cash from investing activities | (1,676) | (27) | (24)
Financing activities: |  |  |
Proceeds from long-term borrowings | 1,740 | 0 | 0
Payments on long-term borrowings | (100) | 0 | 0
Cash dividends on common stock | (890) | (787) | (663)
Cash dividends on preferred stock | (104) | (98) | (99)
Proceeds from Issuance of Preferred Stock and Preference Stock | 489 | 0 | 0
Payments for Repurchase of Preferred Stock and Preference Stock | (500) | 0 | 0
Repurchases of common stock | (348) | (252) | (230)
Net cash from financing activities | 287 | (1,137) | (992)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | 551 | 275 | 51
Cash and cash equivalents at beginning of year | 1,869 | 1,594 | 1,543
Cash and cash equivalents at end of year | $ 2,420 | $ 1,869 | $ 1,594

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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-11 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-11 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
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- Definition Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
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- Definition Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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