CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Net Income	$ 1,787	$ 1,463
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	180	163
Stock-based compensation	127	110
Deferred income taxes	(79)	(1)
ROU Asset impairment & other non-cash restructuring/impairment charges	0	23
Loss pursuant to the divestiture of MAKS	0	9
Settlement of treasury rate lock	0	(68)
Prepayment penalty relating to early redemption of debt	0	24
Changes in assets and liabilities:
Accounts receivable	(137)	73
Other current assets	64	(8)
Other assets	(7)	(89)
Accounts payable and accrued liabilities	(20)	(28)
Deferred revenue	(75)	(171)
Unrecognized tax benefits and other non-current tax liabilities	(79)	(9)
Other liabilities	(55)	(3)
Net cash provided by operating activities	1,706	1,488
Cash flows from investing activities
Capital additions	(77)	(83)
Purchases of investments	(137)	(130)
Sales and maturities of investments	102	57
Cash paid for acquisitions, net of cash acquired	(2,026)	(699)
Receipts from settlements of net investment hedges	26	2
Payments for settlements of net investment hedges	(49)	0
Net cash used in investing activities	(2,161)	(853)
Cash flows from financing activities
Issuance of notes	1,178	1,491
Repayment of notes	0	(800)
Issuance of commercial paper	0	789
Repayment of commercial paper	0	(792)
Proceeds from stock-based compensation plans	30	41
Repurchase of shares related to stock-based compensation	(82)	(101)
Treasury shares	(628)	(253)
Dividends	(347)	(315)
Debt issuance costs, extinguishment costs and related fees	(13)	(39)
Dividends to noncontrolling interest	(3)	(1)
Payment to acquire noncontrolling interests	0	(17)
Net cash provided by financing activities	135	3
Effect of exchange rate changes on cash and cash equivalents	(38)	22
(Decrease) increase in cash and cash equivalents	(358)	660
Cash and cash equivalents, beginning of period	2,597	1,832
Cash and cash equivalents, end of period	$ 2,239	$ 2,492