Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating cash flows:
Net income before non-controlling interests	$ 495	$ 456
Adjustments to reconcile net income to cash used for operations:
Depreciation and amortization of fixed assets and capitalized software	77	75
Amortization of intangible assets	24	22
Adjustments to acquisition related contingent consideration liability	(2)	(6)
Provision for deferred income taxes	87	59
Gain on investments	(2)	(13)
Loss on disposition of assets	1	1
Share-based compensation expense	24	33
Changes in assets and liabilities:
Net receivables	(1)	(150)
Other current assets	28	(35)
Other assets	(43)	33
Accounts payable and accrued liabilities	(128)	47
Accrued compensation and employee benefits	(927)	(764)
Accrued income taxes	(37)	28
Contributions to pension and other benefit plans in excess of current year expense/credit	(134)	(93)
Other liabilities	(82)	(85)
Effect of exchange rate changes	90	12
Net cash used for operations	(530)	(380)
Financing cash flows:
Purchase of treasury shares	(300)	(100)
Net increase in commercial paper	0	100
Proceeds from debt	500	0
Repayments of debt	(2)	(3)
Shares withheld for taxes on vested units – treasury shares	(47)	(49)
Issuance of common stock from treasury shares	104	92
Payments of deferred and contingent consideration for acquisitions	(32)	(20)
Distributions of non-controlling interests	(1)	(1)
Dividends paid	(151)	(137)
Net cash provided by (used for) financing activities	71	(118)
Investing cash flows:
Capital expenditures	(91)	(99)
Net (purchases) sales of long-term investments	(87)	0
Proceeds from sales of fixed assets	1	1
Acquisitions	(16)	(319)
Other, net	(1)	1
Net cash used for investing activities	(194)	(416)
Effect of exchange rate changes on cash and cash equivalents	(201)	(9)
Decrease in cash and cash equivalents	(854)	(923)
Cash and cash equivalents at beginning of period	1,958	2,303
Cash and cash equivalents at end of period	$ 1,104	$ 1,380