CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net Income	$ 1,463	$ 1,067
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	163	150
Stock-based compensation	110	103
Deferred income taxes	(1)	(22)
ROU Asset impairment & other non-cash restructuring/impairment charges	23	38
Loss pursuant to the divestiture of MAKS	9	11
Settlement of treasury rate lock	(68)	0
Prepayment penalty relating to early redemption of debt	24	0
Changes in assets and liabilities:
Accounts receivable	73	36
Other current assets	(8)	(8)
Other assets	(89)	(32)
Accounts payable and accrued liabilities	(28)	(100)
Deferred revenue	(171)	(96)
Unrecognized tax benefits and other non-current tax liabilities	(9)	(17)
Other liabilities	(3)	66
Net cash provided by operating activities	1,488	1,196
Cash flows from investing activities
Capital additions	(83)	(61)
Purchases of investments	(130)	(111)
Sales and maturities of investments	57	139
Cash paid for acquisitions, net of cash acquired	(699)	(121)
Receipts from settlements of net investment hedges	2	4
Net cash used in investing activities	(853)	(150)
Cash flows from financing activities
Issuance of notes	1,491	0
Repayment of notes	(800)	(450)
Issuance of commercial paper	789	1,307
Repayment of commercial paper	(792)	(1,310)
Proceeds from stock-based compensation plans	41	37
Repurchase of shares related to stock-based compensation	(101)	(76)
Treasury shares	(253)	(728)
Dividends	(315)	(284)
Debt issuance costs, extinguishment costs and related fees	(39)	0
Dividends to noncontrolling interest	(1)	(1)
Payment to acquire noncontrolling interests	(17)	(12)
Net cash provided by (used in) financing activities	3	(1,517)
Reclassification of cash to assets held for sale	0	(11)
Effect of exchange rate changes on cash and cash equivalents	22	(25)
Increase (decrease) in cash and cash equivalents	660	(507)
Cash and cash equivalents, beginning of period	1,832	1,685
Cash and cash equivalents, end of period	$ 2,492	$ 1,178