Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating cash flows:
Net income before non-controlling interests	$ 1,482	$ 1,354
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization of fixed assets and capitalized software	234	231
Amortization of intangible assets	122	99
Adjustments and payments related to contingent consideration liability	(30)	(37)
Gain on deconsolidation of subsidiary	0	(12)
Provision for deferred income taxes	52	43
(Gain) loss on investments	(3)	2
Loss on disposition of assets	9	3
Share-based compensation expense	111	84
Changes in assets and liabilities:
Net receivables	(248)	(162)
Other current assets	(14)	(20)
Other assets	(18)	(2)
Accounts payable and accrued liabilities	11	(29)
Accrued compensation and employee benefits	(278)	(349)
Accrued income taxes	77	65
Contributions to pension and other benefit plans in excess of current year expense/credit	(337)	(214)
Other liabilities	83	(3)
Effect of exchange rate changes	(116)	59
Net cash provided by operations	1,137	1,112
Financing cash flows:
Purchase of treasury shares	(600)	(625)
Proceeds from debt	987	347
Repayments of debt	(313)	(9)
Shares withheld for taxes on vested units – treasury shares	(49)	(38)
Issuance of common stock from treasury shares	134	154
Payments of deferred and contingent consideration for acquisitions	(127)	(96)
Distributions of non-controlling interests	(14)	(12)
Dividends paid	(545)	(504)
Net cash used for financing activities	(527)	(783)
Investing cash flows:
Capital expenditures	(217)	(174)
Net sales (purchases) of long-term investments	(21)	(4)
Proceeds from sales of fixed assets	4	5
Acquisitions	(629)	(88)
Other, net	4	3
Net cash used for investing activities	(859)	(258)
Effect of exchange rate changes on cash and cash equivalents	301	(57)
Increase in cash and cash equivalents	52	14
Cash and cash equivalents at beginning of period	1,026	1,374
Cash and cash equivalents at end of period	$ 1,078	$ 1,388