Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating cash flows:
Net income before non-controlling interests	$ 727	$ 696
Adjustments to reconcile net income to cash used for operations:
Depreciation and amortization of fixed assets and capitalized software	74	80
Amortization of intangible assets	51	45
Amortization of right of use asset	68	0
Adjustments and payments related to contingent consideration liability	(18)	(5)
Provision for deferred income taxes	(9)	11
(Gain) loss on investments	(5)	0
(Gain) loss on disposition of assets	0	(1)
Share-based compensation expense	57	50
Change in fair value of acquisition-related derivative contracts	(29)	0
Changes in assets and liabilities:
Net receivables	(309)	(357)
Other current assets	(37)	2
Other assets	(1)	(32)
Accounts payable and accrued liabilities	79	135
Accrued compensation and employee benefits	(886)	(905)
Accrued income taxes	96	61
Contributions to pension and other benefit plans in excess of current year expense/credit	(80)	(96)
Other liabilities	42	17
Operating lease liabilities	(73)	0
Effect of exchange rate changes	(23)	(65)
Net cash used for operations	(276)	(364)
Financing cash flows:
Purchase of treasury shares	0	(250)
Net increase in commercial paper	748	249
Proceeds from issuance of debt	6,462	592
Repayments of debt	(3)	(3)
Acquisition-related hedging payments	(129)	0
Shares withheld for taxes on vested units – treasury shares	(86)	(61)
Issuance of common stock from treasury shares	77	32
Payments of deferred and contingent consideration for acquisitions	(29)	(70)
Distributions of non-controlling interests	(4)	(6)
Dividends paid	(210)	(189)
Net cash provided by financing activities	6,826	294
Investing cash flows:
Capital expenditures	(73)	(58)
Sales of long-term investments	115	9
Purchase of equity investment	(88)	0
Proceeds from sales of fixed assets	1	1
Dispositions	0	3
Acquisitions	(140)	(24)
Other, net	(2)	(1)
Net cash used for investing activities	(187)	(70)
Effect of exchange rate changes on cash and cash equivalents	47	103
Increase (decrease) in cash and cash equivalents and funds held in escrow	6,410	(37)
Cash and cash equivalents at beginning of period	1,066	1,205
Cash and cash equivalents at end of period	1,117	1,168
Funds held in escrow for acquisition	6,359	0
Total	$ 7,476	$ 1,168