Consolidated Statement of Cash Flows (unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2020		Dec. 31, 2019	Mar. 31, 2019		Mar. 31, 2020	Mar. 31, 2019
Operating activities
Net income		$ 962		$ 1,449	$ 956
Net (income) loss attributable to noncontrolling interests		18		(9)	(10)
Net income applicable to shareholders of The Bank of New York Mellon Corporation		980		1,440	946
Adjustments to reconcile net income to net cash (used for) operating activities:
Provision for credit losses	[2]	169	[1]	(8)	7	[1]
Pension plan contributions		(6)			(17)
Depreciation and amortization		354			302
Deferred tax (benefit)		(300)			(28)
Net securities (gains)		(9)		25	(1)
Change in trading assets and liabilities		2,419			(57)
Change in accruals and other, net		(5,292)			(2,101)
Net cash (used for) operating activities		(1,685)			(949)
Investing activities
Change in interest-bearing deposits with banks		(6,066)			413
Change in interest-bearing deposits with the Federal Reserve and other central banks		(52,370)			7,096
Purchases of securities held-to-maturity		(5,151)			(1,403)
Paydowns of securities held-to-maturity		1,503			914
Maturities of securities held-to-maturity		1,310			500
Purchases of securities available-for-sale		(22,222)			(8,894)
Sales of securities available-for-sale		3,107			3,692
Paydowns of securities available-for-sale		2,042			1,400
Maturities of securities available-for-sale		4,727			7,223
Net change in loans		(7,626)			3,010
Sales of loans and other real estate		1			51
Change in federal funds sold and securities purchased under resale agreements		2,739			6,640
Net change in seed capital investments		18			3
Purchases of premises and equipment/capitalized software		(264)			(264)
Other, net		(349)			429
Net cash (used for) provided by investing activities		(78,601)			20,810
Financing activities
Change in deposits		79,678			(16,146)
Change in federal funds purchased and securities sold under repurchase agreements		1,775			(2,482)
Change in payables to customers and broker-dealers		5,329			(414)
Change in other borrowed funds		961			695
Change in commercial paper		(2,838)			834
Net proceeds from the issuance of long-term debt		998			0
Repayments of long-term debt		(1,750)			(1,500)
Proceeds from the exercise of stock options		30			31
Issuance of common stock		3			13
Treasury stock acquired		(985)			(555)
Common cash dividends paid		(282)			(270)
Preferred cash dividends paid		(36)			(36)
Other, net		(3)			(7)
Net cash provided by (used for) financing activities		82,880			(19,837)
Effect of exchange rate changes on cash		(56)			11
Change in cash and due from banks and restricted cash
Change in cash and due from banks and restricted cash		2,538			35
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		9,805		7,267	8,293
Cash and due from banks at end of period (unrestricted cash)							$ 5,091	$ 5,980
Restricted cash at end of period							4,714	2,313
Cash and due from banks and restricted cash at end of period		9,805		$ 7,267	8,293		$ 9,805	$ 8,293
Supplemental disclosures
Interest paid		851			1,122
Income taxes paid		185			100
Income taxes refunded		$ 10			$ 3

[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.

[2] The provision for credit losses for the quarter ended March 31, 2020 relates to the financial instruments within the scope of Accounting Standards Update (“ASU”) 2016-13, Financial Instruments - Credit Losses: Measurement of Credit Losses On Financial Instruments. See Note 2 of the Notes to Consolidated Financial Statements for additional information.