Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
NET INCOME	$ 332	$ 339
Adjustments to reconcile net income to total net cash from operating activities:
Depreciation	158	169
Amortization	408	441
Net periodic benefit of defined benefit pension plans	(132)	(106)
Provision for doubtful receivables from clients	10	15
Benefit from deferred income taxes	(70)	(56)
Share-based compensation	15	48
Net loss on disposal of operations	9	10
Non-cash foreign exchange loss	23	79
Other, net	5	(21)
Changes in operating assets and liabilities, net of effects from purchase of subsidiaries:
Accounts receivable	332	31
Fiduciary assets	(1,298)	(1,233)
Fiduciary liabilities	1,298	1,233
Other assets	(52)	(95)
Other liabilities	(340)	(351)
Provisions	18	12
Net cash from operating activities	716	515
CASH FLOWS USED IN INVESTING ACTIVITIES
Additions to fixed assets and software for internal use	(209)	(198)
Capitalized software costs	(41)	(52)
Acquisitions of operations, net of cash acquired	(8)	(13)
Net proceeds from sale of operations	4	0
Other, net	14	1
Net cash used in investing activities	(240)	(262)
CASH FLOWS USED IN FINANCING ACTIVITIES
Net (payments)/borrowings on revolving credit facility	(654)	675
Senior notes issued	998	650
Proceeds from issuance of other debt	0	32
Debt issuance costs	(8)	(9)
Repayments of debt	(170)	(714)
Repurchase of shares	(401)	(462)
Proceeds from issuance of shares	21	44
Payments related to share cancellation	0	(177)
Payments of deferred and contingent consideration related to acquisitions	(50)	(43)
Cash paid for employee taxes on withholding shares	(30)	(14)
Dividends paid	(228)	(209)
Acquisitions of and dividends paid to non-controlling interests	(20)	(19)
Net cash used in financing activities	(542)	(246)
(DECREASE)/INCREASE IN CASH AND CASH EQUIVALENTS	(66)	7
Effect of exchange rate changes on cash and cash equivalents	(33)	35
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	1,030	870
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 931	$ 912