Quarterly report pursuant to Section 13 or 15(d)

OTHER COMPREHENSIVE INCOME OTHER COMPREHENSIVE INCOME - AOCI Roll Forward (Details)

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OTHER COMPREHENSIVE INCOME OTHER COMPREHENSIVE INCOME - AOCI Roll Forward (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance, beginning of period           $ 19,297  
Other comprehensive income (loss) before reclassifications     $ (1,184)   $ (113) (3,126) $ (347)
Net unrealized gains (losses) on net investment hedges     6   7 79 30
Period change     (1,178)   (106) (3,047) (317)
Balance, end of period $ 17,136   17,136 $ 19,297   17,136  
Unrealized gains and (losses) on debt securities              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance, beginning of period     (2,152) (32) 50 (153) 188
Other comprehensive income (loss) before reclassifications     (974)   (86) (3,043) (241)
Net unrealized gains (losses) on net investment hedges     3   4 73 21
Period change     (971)   (82) (2,970) (220)
Balance, end of period (3,123) $ (32) (3,123) (153) (32) (3,123) (32)
Net impact of fair value hedges on available-for-sale securities              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance, beginning of period     544 31 31 2 89
Other comprehensive income (loss) before reclassifications     250   0 705 29
Net unrealized gains (losses) on net investment hedges     0   0 0 0
Period change     250   0 705 29
Balance, end of period 794 31 794 2 31 794 31
Change in fair value related to cash flow hedges              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance, beginning of period     (263) 124 153 63 255
Other comprehensive income (loss) before reclassifications     (456)   (29) (782) (131)
Net unrealized gains (losses) on net investment hedges     0   0 0 0
Period change     (456)   (29) (782) (131)
Balance, end of period (719) 124 (719) 63 124 (719) 124
Translation adjustments, net of hedges              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance, beginning of period     (5) (4) (6) (3) 0
Other comprehensive income (loss) before reclassifications     (4)   2 (6) (4)
Net unrealized gains (losses) on net investment hedges     0   0 0 0
Period change     (4)   2 (6) (4)
Balance, end of period (9) (4) (9) (3) (4) (9) (4)
Unrealized gains (losses) for pension and other post-retirement obligations              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance, beginning of period     (222) (244) (247) (225) (253)
Other comprehensive income (loss) before reclassifications     0   0 0 0
Net unrealized gains (losses) on net investment hedges     3   3 6 9
Period change     3   3 6 9
Balance, end of period (219) (244) (219) (225) (244) (219) (244)
Accumulated Other Comprehensive Income (Loss)              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Balance, beginning of period     (2,098) (125) (19) (229) 192
Balance, end of period (3,276) (125) $ (3,276) $ (229) $ (125) $ (3,276) $ (125)
Reclassification out of Accumulated Other Comprehensive Income              
AOCI Attributable to Parent, Net of Tax [Roll Forward]              
Net unrealized loss on securities transfer $ 69 $ 41