Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating cash flows:
Net income before non-controlling interests	$ 490	$ 495
Adjustments to reconcile net income to cash used for operations:
Depreciation and amortization of fixed assets and capitalized software	78	77
Amortization of intangible assets	33	24
Adjustments and payments related to contingent consideration liability	1	(2)
Provision for deferred income taxes	22	87
Loss (gain) on investments	3	(2)
Loss on disposition of assets	2	1
Share-based compensation expense	31	24
Changes in assets and liabilities:
Net receivables	(175)	(1)
Other current assets	(34)	(26)
Other assets	2	8
Accounts payable and accrued liabilities	36	(128)
Accrued compensation and employee benefits	(931)	(927)
Accrued income taxes	(26)	(30)
Contributions to pension and other benefit plans in excess of current year expense/credit	(67)	(134)
Other liabilities	(71)	(79)
Effect of exchange rate changes	25	90
Net cash used for operations	(581)	(523)
Financing cash flows:
Purchase of treasury shares	(200)	(300)
Net increase in commercial paper	252	0
Proceeds from debt	347	493
Repayments of debt	(3)	(2)
Shares withheld for taxes on vested units – treasury shares	(37)	(47)
Issuance of common stock from treasury shares	92	104
Payments of deferred and contingent consideration for acquisitions	(39)	(32)
Distributions of non-controlling interests	(6)	(1)
Dividends paid	(161)	(151)
Net cash provided by financing activities	245	64
Investing cash flows:
Capital expenditures	(51)	(91)
Net purchases of long-term investments	(2)	(87)
Proceeds from sales of fixed assets	1	1
Acquisitions	(75)	(16)
Other, net	1	(1)
Net cash used for investing activities	(126)	(194)
Effect of exchange rate changes on cash and cash equivalents	6	(201)
Decrease in cash and cash equivalents	(456)	(854)
Cash and cash equivalents at beginning of period	1,374	1,958
Cash and cash equivalents at end of period	$ 918	$ 1,104