Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 336	$ 272
Adjustments to reconcile net income to cash provided by operating activities:
Gain from sales of businesses and investments, net	(5)	0
Depreciation of fixed assets	60	59
Amortization of intangible assets	86	99
Share-based compensation expense	102	69
Deferred income taxes	10	13
Change in assets and liabilities:
Fiduciary receivables	165	(42)
Short term investments - funds held on behalf of clients	(271)	(322)
Fiduciary liabilities	106	364
Receivables, net	13	174
Accounts payable and accrued liabilities	(468)	(417)
Restructuring reserves	(40)	(16)
Current income taxes	2	(65)
Pension, other post-retirement and other post-employment liabilities	(128)	(196)
Other assets and liabilities	21	62
CASH (USED FOR) PROVIDED BY OPERATING ACTIVITIES	(11)	54
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sale of long-term investments	42	18
Purchases of long-term investments	(10)	(3)
Net sales (purchases) of short-term investments - non-fiduciary	183	(16)
Acquisition of businesses, net of cash acquired	(5)	(2)
Proceeds from sale of businesses	1	1
Capital expenditures	(55)	(60)
CASH PROVIDED BY (USED FOR) INVESTING ACTIVITIES	156	(62)
CASH FLOWS FROM FINANCING ACTIVITIES
Share repurchase	(600)	(300)
Issuance of shares for employee benefit plans	26	36
Issuance of debt	1,195	1,150
Repayment of debt	(829)	(715)
Cash dividends to shareholders	(53)	(50)
Purchase of shares from noncontrolling interests	1	(1)
CASH (USED FOR) PROVIDED BY FINANCING ACTIVITIES	(260)	120
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(24)	5
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(139)	117
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	477	291
CASH AND CASH EQUIVALENTS AT END OF PERIOD	338	408
Supplemental disclosures:
Interest paid	64	32
Income taxes paid, net of refunds	$ 66	$ 148