v3.25.4
Other Comprehensive Income, Summary of Other Comprehensive Income (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Debt securities:      
Net unrealized gains (losses) arising during the period, Before tax $ 5,295 $ (1,824) $ 1,136
Net unrealized gains (losses) arising during the period, Tax effect (1,307) 449 (278)
Net unrealized gains (losses) arising during the period, Net of tax 3,988 (1,375) 858
Reclassification of net (gains) losses to net income, Before tax 636 1,437 549
Reclassification of net (gains) losses to net income, Tax effect (156) (354) (136)
Reclassification of net (gains) losses to net income, Net of tax 480 1,083 413
Net change, Before tax 5,931 (387) 1,685
Net change, Tax effect (1,463) 95 (414)
Net change, Net of tax 4,468 (292) 1,271
Cash Flow Hedges:      
Net change, Before tax 1,245 (356) 545
Net change, Tax effect (308) 88 (134)
Net change, Net of tax 937 (268) 411
Defined benefit plans adjustments:      
Net actuarial and prior service gains (losses) arising during the period, Before tax (1) 99 (22)
Net actuarial and prior service gains (losses) arising during the period, Tax effect 0 (24) 5
Net actuarial and prior service gains (losses) arising during the period, Net of tax (1) 75 (17)
Reclassification of amounts to noninterest expense, Before tax 102 109 109
Reclassification of amounts to noninterest expense, Tax effect (24) (24) (24)
Reclassification of amounts to noninterest expense, Net of tax 78 85 85
Net change, Before tax 101 208 87
Net change, Tax effect (24) (48) (19)
Net change, Net of tax 77 160 68
Debit valuation adjustment (DVA):      
Net unrealized gains (losses) arising during period, Before tax (83) (40) (38)
Net unrealized gains (losses) arising during period, Tax effect 20 9 9
Net unrealized gains (losses) arising during period, Net of tax (63) (31) (29)
Reclassification of net (gains) losses to net income, Before tax 1 0 0
Reclassification of net (gains) losses to net income, Tax effect 0 0 0
Reclassification of net (gains) losses to net income, Net of tax 1 0 0
Net change, Before tax (82) (40) (38)
Net change, Tax effect 20 9 9
Net change, net of tax (62) (31) (29)
Foreign currency translation adjustments:      
Net unrealized gains (losses) arising during the period, Before tax 84 (163) 65
Net unrealized gains (losses) arising during the period, Tax effect (1) (2) (2)
Net unrealized gains (losses) arising during the period, Net of tax 83 (165) 63
Reclassification of net (gains) losses to net income, Before tax 0 0 0
Reclassification of net (gains) losses to net income, Tax 0 0 0
Reclassification of net (gains) losses to net income, Net of Tax 0 0 0
Net change, Before tax 84 (163) 65
Net change, Tax effect (1) (2) (2)
Net change, Net of tax 83 (165) 63
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]      
Other comprehensive income (loss), Before tax 7,279 (738) 2,344
Other comprehensive income (loss), Tax effect (1,776) 142 (560)
Other comprehensive income (loss), net of tax 5,503 (596) 1,784
Noncontrolling interests [Member]      
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]      
Other comprehensive income (loss), net of tax 0 0 2
Total Wells Fargo stockholders' equity [Member]      
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]      
Other comprehensive income (loss), net of tax 5,503 (596) 1,782
Fair value hedging [Member]      
Fair Value Hedges:      
Change in fair value of excluded components, Before tax 22 20 22
Change in fair value of excluded components, Tax (6) (5) (6)
Change in fair value of excluded components, Net of tax 16 15 16
Cash flow hedging [Member]      
Cash Flow Hedges:      
Net unrealized gains (losses) arising during the period, Before Tax 602 (1,223) (201)
Net unrealized gains (losses) arising during the period, Tax (149) 302 50
Net unrealized gains (losses) arising during the period, Net of Tax 453 (921) (151)
Reclassification of net (gains) losses to net income on cash flow hedges, Before tax 621 847 724
Reclassification of net (gains) losses to net income on cash flow hedges, Tax (153) (209) (178)
Reclassification of net (gains) losses to net income on cash flow hedges, Net of tax $ 468 $ 638 $ 546