Consolidated Statement of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities
Net income	$ 1,629	$ 1,959
Net loss (income) attributable to noncontrolling interests	13	(10)
Net income applicable to shareholders of The Bank of New York Mellon Corporation	1,642	1,949
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision for credit losses	49	(169)
Pension plan contributions	(2)	(16)
Depreciation and amortization	859	938
Deferred tax (benefit)	145	274
Net securities (gains)	(4)	(2)
Change in trading assets and liabilities	6,730	176
Change in accruals and other, net	(1,000)	(3,495)
Net cash provided by (used for) operating activities	8,419	(345)
Investing activities
Change in interest-bearing deposits with banks	39	(2,924)
Change in interest-bearing deposits with the Federal Reserve and other central banks	(28,461)	13,409
Purchases of securities held-to-maturity	(1,836)	(5,449)
Paydowns of securities held-to-maturity	4,124	5,869
Maturities of securities held-to-maturity	748	834
Purchases of securities available-for-sale	(20,522)	(25,820)
Sales of securities available-for-sale	8,788	7,624
Paydowns of securities available-for-sale	3,204	7,081
Maturities of securities available-for-sale	5,970	8,999
Net change in loans	(1,957)	(7,017)
Sales of loans and other real estate	0	1
Change in federal funds sold and securities purchased under resale agreements	6,655	1,129
Net change in seed capital investments	(14)	(55)
Purchases of premises and equipment/capitalized software	(871)	(465)
Proceeds from the sale of premises and equipment	45	27
Dispositions, net of cash	0	8
Other, net	(507)	648
Net cash (used for) provided by investing activities	(24,595)	3,899
Financing activities
Change in deposits	13,036	(1,428)
Change in federal funds purchased and securities sold under repurchase agreements	(60)	1,214
Change in payables to customers and broker-dealers	870	(1,360)
Change in other borrowed funds	(202)	107
Net proceeds from the issuance of long-term debt	4,939	2,691
Repayments of long-term debt	(2,250)	(2,750)
Proceeds from the exercise of stock options	9	32
Issuance of common stock	6	6
Treasury stock acquired	(121)	(1,317)
Common cash dividends paid	(557)	(550)
Preferred cash dividends paid	(108)	(100)
Other, net	(5)	(6)
Net cash provided by (used for) financing activities	15,557	(3,461)
Effect of exchange rate changes on cash	362	(41)
Change in cash and due from banks and restricted cash
Change in cash and due from banks and restricted cash	(257)	52
Cash and due from banks and restricted cash at beginning of period	9,883	9,419
Cash and due from banks and restricted cash at end of period	9,626	9,471
Cash and due from banks at end of period (unrestricted cash)	5,185	5,154
Restricted cash at end of period	4,441	4,317
Cash and due from banks and restricted cash at end of period	9,626	9,471
Supplemental disclosures
Interest paid	374	145
Income taxes paid	262	266
Income taxes refunded	$ 38	$ 10