Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,148	$ 1,020	$ 1,010
Adjustments to reconcile net income to cash provided by operating activities:
Gain from sales of businesses, net	(65)	0	(6)
Depreciation of fixed assets	240	232	220
Amortization of intangible assets	395	423	362
Share-based compensation expense	300	212	235
Deferred income taxes	(14)	(95)	146
Change in assets and liabilities:
Fiduciary receivables	(4)	(1,402)	(14)
Short-term investments — funds held on behalf of clients	156	239	(713)
Fiduciary liabilities	(152)	1,163	727
Receivables, net	141	106	(494)
Accounts payable and accrued liabilities	48	(37)	0
Restructuring reserves	15	(46)	(73)
Current income taxes	(116)	185	120
Pension and other post employment liabilities	(502)	(585)	(399)
Other assets and liabilities	43	4	(103)
CASH PROVIDED BY OPERATING ACTIVITIES	1,633	1,419	1,018
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sales of long-term investments	93	178	190
Purchases of long-term investments	(15)	(12)	(30)
Net (purchases) sales of short-term investments — non-fiduciary	(174)	440	(8)
Acquisition of businesses, net of cash acquired	(54)	(162)	(106)
Proceeds from sale of businesses	40	2	9
Capital expenditures	(229)	(269)	(241)
CASH (USED FOR) PROVIDED BY INVESTING ACTIVITIES	(339)	177	(186)
CASH FLOWS FROM FINANCING ACTIVITIES
Share repurchase	(1,102)	(1,125)	(828)
Issuance of shares for employee benefit plans	98	118	201
Issuance of debt	4,906	733	1,673
Repayment of debt	(4,679)	(1,077)	(1,688)
Cash dividends to shareholders	(212)	(204)	(200)
Purchases of shares from noncontrolling interests	(8)	(4)	(24)
Dividends paid to noncontrolling interests	(19)	(27)	(30)
CASH USED FOR FINANCING ACTIVITIES	(1,016)	(1,586)	(896)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(92)	9	(10)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	186	19	(74)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	291	272	346
CASH AND CASH EQUIVALENTS AT END OF YEAR	477	291	272
Supplemental disclosures:
Interest paid	206	232	240
Income taxes paid, net of refunds	$ 445	$ 238	$ 77