Consolidated Statement of Cash Flows (unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019
Operating activities
Net income		$ 1,927	$ 1,977
Net loss (income) attributable to noncontrolling interests		3	(14)
Net income applicable to shareholders of The Bank of New York Mellon Corporation		1,930	1,963
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Provision for credit losses	[1]	312	(1)
Pension plan contributions		(12)	(22)
Depreciation and amortization		744	635
Deferred tax (benefit)		(363)	(110)
Net securities (gains)		(18)	(8)
Change in trading assets and liabilities		171	(1,306)
Change in accruals and other, net		2,361	(3,665)
Net cash provided by (used for) operating activities		5,125	(2,514)
Investing activities
Change in interest-bearing deposits with banks		(3,710)	(1,618)
Change in interest-bearing deposits with the Federal Reserve and other central banks		(18,117)	(1,714)
Purchases of securities held-to-maturity		(14,499)	(3,739)
Paydowns of securities held-to-maturity		3,541	2,078
Maturities of securities held-to-maturity		1,836	1,380
Purchases of securities available-for-sale		(44,865)	(21,503)
Sales of securities available-for-sale		8,414	6,346
Paydowns of securities available-for-sale		4,416	3,226
Maturities of securities available-for-sale		12,241	14,143
Net change in loans		(610)	4,116
Sales of loans and other real estate		2	52
Change in federal funds sold and securities purchased under resale agreements		(6,516)	(14,401)
Net change in seed capital investments		19	25
Purchases of premises and equipment/capitalized software		(623)	(717)
Other, net		(275)	940
Net cash (used for) investing activities		(58,746)	(11,386)
Financing activities
Change in deposits		47,576	14,255
Change in federal funds purchased and securities sold under repurchase agreements		3,155	(2,486)
Change in payables to customers and broker-dealers		6,260	(778)
Change in other borrowed funds		1,036	(1,328)
Change in commercial paper		(3,294)	6,955
Net proceeds from the issuance of long-term debt		2,246	1,248
Repayments of long-term debt		(3,000)	(2,750)
Proceeds from the exercise of stock options		33	35
Issuance of common stock		6	16
Issuance of preferred stock		990	0
Treasury stock acquired		(988)	(1,305)
Common cash dividends paid		(560)	(540)
Preferred cash dividends paid		(85)	(84)
Other, net		15	7
Net cash provided by financing activities		53,390	13,245
Effect of exchange rate changes on cash		(50)	(11)
Change in cash and due from banks and restricted cash
Change in cash and due from banks and restricted cash		(281)	(666)
Cash and due from banks and restricted cash at beginning of period		7,267	8,258
Cash and due from banks and restricted cash at end of period		6,986	7,592
Cash and due from banks and restricted cash at end of period		6,986	7,592
Supplemental disclosures
Interest paid		1,013	2,238
Income taxes paid		756	461
Income taxes refunded		$ 11	$ 347

[1] In the first quarter of 2020, we adopted new accounting guidance included in ASU 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments, on a prospective basis. See Note 2 of the Notes to Consolidated Financial Statements for additional information.