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Consolidated Statement of Cash Flows - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Operating activities      
Net income $ 15,836 $ 5,520 $ 10,539
Adjustments to reconcile net income to net cash provided by operating activities:      
Provision for credit losses 3,161 2,275 3,556
Gains on sales of debt securities (1,138) (1,481) (1,380)
Realized debit valuation adjustments on structured liabilities 556 0 0
Depreciation and premises improvements amortization 1,555 1,586 1,597
Amortization of intangibles 834 936 1,086
Net amortization of premium/discount on debt securities 2,613 1,699 3,123
Deferred income taxes 3,076 1,147 2,715
Stock-based compensation 28 78 363
Loans held-for-sale:      
Originations and purchases (37,933) (39,358) (65,688)
Proceeds from sales and paydowns of loans originally classified as held-for-sale 36,204 38,528 77,707
Net change in:      
Trading and derivative instruments 2,550 5,866 32,530
Other assets 2,493 5,894 35,154
Accrued expenses and other liabilities 730 9,702 (12,919)
Other operating activities, net (2,218) (1,597) 4,434
Net cash provided by operating activities 28,347 30,795 92,817
Net change in:      
Time deposits placed and other short-term investments 50 4,030 7,154
Federal funds sold and securities borrowed or purchased under agreements to resell (659) (1,495) 29,596
Debt securities carried at fair value:      
Proceeds from sales 145,079 126,399 103,743
Proceeds from paydowns and maturities 84,988 79,704 85,554
Purchases (219,412) (247,902) (160,744)
Held-to-maturity debt securities:      
Proceeds from paydowns and maturities 12,872 7,889 8,472
Purchases (36,575) (13,274) (14,388)
Loans and leases:      
Proceeds from sales 22,316 28,765 12,331
Purchases (12,629) (10,609) (16,734)
Other changes in loans and leases, net (51,895) 19,160 (34,256)
Proceeds from sales of equity investments 333 1,577 4,818
Other investing activities, net (39) (2,504) (488)
Net cash provided by (used in) investing activities (55,571) (8,260) 25,058
Net change in:      
Deposits 78,347 (335) 14,010
Federal funds purchased and securities loaned or sold under agreements to repurchase (26,986) 3,171 (95,153)
Short-term borrowings (3,074) (14,827) 16,009
Long-term debt:      
Proceeds from issuance 43,670 51,573 45,658
Retirement of long-term debt (40,365) (53,749) (65,602)
Preferred stock:      
Proceeds from issuance 2,964 5,957 1,008
Redemption 0 0 (6,461)
Common stock repurchased (2,374) (1,675) (3,220)
Cash dividends paid (3,574) (2,306) (1,677)
Excess tax benefits on share-based payments 16 34 12
Other financing activities, net (39) (44) (26)
Net cash provided by (used in) financing activities 48,585 (12,201) (95,442)
Effect of exchange rate changes on cash and cash equivalents (597) (3,067) (1,863)
Net increase in cash and cash equivalents 20,764 7,267 20,570
Cash and cash equivalents at January 1 138,589 131,322 110,752
Cash and cash equivalents at December 31 159,353 138,589 131,322
Supplemental cash flow disclosures      
Interest paid 10,623 11,082 12,912
Income taxes paid 2,326 2,558 1,559
Income taxes refunded $ (151) $ (144) $ (244)