Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,083	$ 645
Income from discontinued operations, net of tax	861	60
Adjustments to reconcile net income to cash provided by operating activities:
Loss (gain) from sales of businesses and investments, net	3	(41)
Depreciation of fixed assets	108	79
Amortization and impairment of intangible assets	503	75
Share-based compensation expense	148	144
Deferred income taxes	(227)	15
Change in assets and liabilities:
Fiduciary receivables	10	96
Short-term investments — funds held on behalf of clients	(286)	(409)
Fiduciary liabilities	275	313
Receivables, net	(25)	46
Accounts payable and accrued liabilities	(377)	(335)
Restructuring reserves	178	0
Current income taxes	(25)	(62)
Pension, other postretirement and other postemployment liabilities	(101)	(28)
Other assets and liabilities	30	79
Cash provided by operating activities - continuing operations	436	557
Cash provided by operating activities - discontinued operations	64	207
CASH PROVIDED BY OPERATING ACTIVITIES	500	764
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from investments	29	23
Payments for investments	(32)	(29)
Net sale (purchases) of short-term investments — non-fiduciary	(2,451)	106
Acquisition of businesses, net of cash acquired	(149)	(183)
Sale of businesses, net of cash sold	4,193	103
Capital expenditures	(82)	(68)
Cash provided by (used for) investing activities - continuing operations	1,508	(48)
Cash used for investing activities - discontinued operations	(19)	(36)
CASH PROVIDED BY (USED FOR) INVESTING ACTIVITIES	1,489	(84)
CASH FLOWS FROM FINANCING ACTIVITIES
Share repurchase	(1,100)	(750)
Issuance of shares for employee benefit plans	(139)	(87)
Issuance of debt	1,651	2,056
Repayment of debt	(1,990)	(1,632)
Cash dividends to shareholders	(182)	(169)
Noncontrolling interests and other financing activities	(10)	(62)
Cash used for financing activities - continuing operations	(1,770)	(644)
Cash used for financing activities - discontinued operations	0	0
CASH USED FOR FINANCING ACTIVITIES	(1,770)	(644)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	34	18
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	253	54
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	431	384
CASH AND CASH EQUIVALENTS AT END OF PERIOD	684	438
Supplemental disclosures:
Interest paid	144	144
Income taxes paid, net of refunds	$ 108	$ 89