Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net income	$ 1,043	$ 1,140
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	273	287
Deferred income taxes	(113)	(74)
Stock-based compensation expense	86	145
Other	29	51
Changes in assets and liabilities, net of the effect of business combinations:
Trade accounts receivable, current	50	(251)
Other current and noncurrent assets	(96)	131
Accounts payable	(40)	(9)
Deferred revenues, current and noncurrent	(20)	(8)
Other current and noncurrent liabilities	(447)	(578)
Net cash provided by operating activities	765	834
Cash flows from investing activities:
Purchases of property and equipment	(166)	(163)
Purchases of available-for-sale investment securities	0	(513)
Proceeds from maturity or sale of available-for-sale investment securities	(225)	(375)
Purchases of held-to-maturity investment securities	(3)	(32)
Proceeds from maturity of held-to-maturity investment securities	18	30
Purchases of other investments	(199)	(256)
Proceeds from maturity or sale of other investments	234	769
Proceeds from sales of businesses	0	19
Payments for business combinations, net of cash acquired	(409)	0
Net cash (used in) provided by investing activities	(300)	229
Cash flows from financing activities:
Issuance of common stock under stock-based compensation plans	41	52
Repurchases of common stock	(436)	(792)
Repayment of Term Loan borrowings and finance lease and earnout obligations	(11)	(26)
Dividends paid	(298)	(284)
Net cash (used in) financing activities	(704)	(1,050)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0	(37)
(Decrease) in cash, cash equivalents and restricted cash	(239)	(24)
Cash, cash equivalents and restricted cash beginning of year	2,294	1,792
Cash and cash equivalents, end of period	$ 2,055	$ 1,768