Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net income	$ 1,048,000,000	$ 933,000,000
Adjustments to reconcile net income to cash provided by operating activities:
Gain from sales of businesses	(25,000,000)	0
Depreciation of fixed assets	38,000,000	41,000,000
Amortization and impairment of intangible assets	28,000,000	40,000,000
Share-based compensation expense	119,000,000	131,000,000
Deferred income taxes	(18,000,000)	19,000,000
Change in assets and liabilities:
Receivables, net	(544,000,000)	(485,000,000)
Accounts payable and accrued liabilities	(449,000,000)	(356,000,000)
Current income taxes	153,000,000	142,000,000
Pension, other postretirement and postemployment liabilities	(27,000,000)	(59,000,000)
Other assets and liabilities	140,000,000	155,000,000
Cash provided by operating activities	463,000,000	561,000,000
Cash flows from investing activities
Proceeds from investments	45,000,000	11,000,000
Payments for investments	(9,000,000)	(18,000,000)
Net sales (purchases) of short-term investments - non fiduciary	(164,000,000)	138,000,000
Acquisition of businesses, net of cash and funds held on behalf of clients	(134,000,000)	0
Sale of businesses, net of cash and funds held on behalf of clients	22,000,000	0
Capital expenditures	(23,000,000)	(29,000,000)
Cash provided by (used for) investing activities	(263,000,000)	102,000,000
Cash flows from financing activities
Share repurchase	(828,000,000)	(50,000,000)
Issuance of shares for employee benefit plans	(116,000,000)	(87,000,000)
Issuance of debt	3,128,000,000	250,000,000
Repayment of debt	(2,208,000,000)	(650,000,000)
Increase in fiduciary liabilities, net of fiduciary receivables	647,000,000	28,000,000
Cash dividends to shareholders	(110,000,000)	(104,000,000)
Noncontrolling interests and other financing activities	(13,000,000)	(68,000,000)
Cash provided by (used for) financing activities	500,000,000	(681,000,000)
Effect of exchange rates on cash and cash equivalents and funds held on behalf of clients	(50,000,000)	(34,000,000)
Net increase (decrease) in cash and cash equivalents and funds held on behalf of clients	650,000,000	(52,000,000)
Cash, cash equivalents and funds held on behalf of clients at beginning of period	6,645,000,000	6,573,000,000
Cash, cash equivalents and funds held on behalf of clients at end of period	7,295,000,000	6,521,000,000
Reconciliation of cash and cash equivalents and funds held on behalf of clients:
Cash and cash equivalents	595,000,000	822,000,000
Funds held on behalf of clients	6,700,000,000	5,699,000,000
Total cash and cash equivalents and funds held on behalf of clients	7,295,000,000	6,521,000,000
Supplemental disclosures:
Interest paid	22,000,000	36,000,000
Income taxes paid, net of refunds	$ 121,000,000	$ 74,000,000