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Parent Company Financial Statements Parent Company Financial Statements (Statements of Cash Flows) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Condensed Financial Statements, Captions [Line Items] |  |  |
Net income | $ 1,151 | $ 1,168 | $ 497
Net periodic defined benefit credit | (91) | (81) | (55)
Share-based compensation expense | 60 | 41 | 24
Benefit for deferred income taxes | (27) | 79 | (82)
Other, net | 614 | 469 | 111
Net cash provided by operating activities | 638 | 634 | 928
Other, net | 82 | 70 | 79
Net cash provided by (used in) investing activities | (9,952) | 1,723 | (4,602)
Cash dividends paid on preferred stock | 23 | 23 | 8
Repurchases of common stock | 43 | 729 | 199
Cash dividends paid on common stock | 353 | 369 | 375
Net cash used in financing activities | (7,083) | 4,555 | 13,623
Net increase (decrease) in cash and cash equivalents | (16,397) | 6,912 | 9,949
Interest paid | 130 | 57 | 203
Parent Company |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net income | 1,151 | 1,168 | 497
Undistributed (earnings) of subsidiaries, principally banks | (105) | (339) | (17)
Net periodic defined benefit credit | 2 | 5 | 4
Share-based compensation expense | 22 | 19 | 11
Benefit for deferred income taxes | 0 | (2) | (1)
Other, net | 24 | 3 | 2
Net cash provided by operating activities | 1,094 | 854 | 496
Advance to subsidiary bank | 0 | (150) | 0
Capital transactions with subsidiaries | 0 | 0 | (21)
Other, net | 2 | (1) | 2
Net cash provided by (used in) investing activities | 2 | (151) | (19)
Issuances of preferred stock | 0 | 0 | 394
Cash dividends paid on preferred stock | (23) | (23) | (8)
Repurchases of common stock | (43) | (729) | (199)
Cash dividends paid on common stock | (353) | (369) | (375)
Issuances of common stock under employee stock plans | 28 | 34 | 4
Net cash used in financing activities | (391) | (1,087) | (184)
Net increase (decrease) in cash and cash equivalents | 705 | (384) | 293
Cash and cash equivalents at beginning of period | 1,105 | 1,489 | 1,196
Cash and cash equivalents at end of period | 1,810 | 1,105 | 1,489
Interest paid | $ 41 | $ 21 | $ 33

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