Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating cash flows:
Net income before non-controlling interests	$ 924	$ 894
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization of fixed assets and capitalized software	156	149
Amortization of intangible assets	48	42
Adjustments and payments related to contingent consideration liability	0	(3)
Provision for deferred income taxes	90	83
Gain on investments	(2)	(10)
Loss on disposition of assets	1	2
Share-based compensation expense	46	51
Changes in assets and liabilities:
Net receivables	(274)	(392)
Other current assets	39	(16)
Other assets	(62)	15
Accounts payable and accrued liabilities	(75)	(7)
Accrued compensation and employee benefits	(659)	(480)
Accrued income taxes	31	61
Contributions to pension and other benefit plans in excess of current year expense/credit	(149)	(118)
Other liabilities	(57)	(39)
Effect of exchange rate changes	49	26
Net cash provided by operations	106	258
Financing cash flows:
Purchase of treasury shares	(775)	(350)
Net increase in commercial paper	50	0
Proceeds from debt	500	595
Repayments of debt	(5)	(5)
Shares withheld for taxes on vested units – treasury shares	(48)	(55)
Issuance of common stock from treasury shares	147	136
Payments of deferred and contingent consideration for acquisitions	(40)	(24)
Distributions of non-controlling interests	(15)	(13)
Dividends paid	(302)	(275)
Net cash (used for) provided by financing activities	(488)	9
Investing cash flows:
Capital expenditures	(176)	(202)
Net (purchases) sales of long-term investments	(90)	2
Proceeds from sales of fixed assets	1	1
Acquisitions	(260)	(383)
Other, net	(3)	1
Net cash used for investing activities	(528)	(581)
Effect of exchange rate changes on cash and cash equivalents	(118)	16
Decrease in cash and cash equivalents	(1,028)	(298)
Cash and cash equivalents at beginning of period	1,958	2,303
Cash and cash equivalents at end of period	$ 930	$ 2,005