Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Activities
Net income	$ 13,833	$ 10,701	$ 13,323
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,804	13,100	12,953
Share-based compensation	1,315	1,193	1,021
Noncash interest expense (income), net	482	697	417
Net (gain) loss on investment activity and other	(1,311)	(970)	(20)
Deferred income taxes	1,892	(550)	563
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
Current and noncurrent receivables, net	(1,335)	(20)	(57)
Film and television costs, net	(680)	(244)	(929)
Accounts payable and accrued expenses related to trade creditors	765	(266)	(347)
Other operating assets and liabilities	382	1,096	(1,227)
Net cash provided by operating activities	29,146	24,737	25,697
Investing Activities
Capital expenditures	(9,174)	(9,179)	(9,953)
Cash paid for intangible assets	(2,883)	(2,455)	(2,475)
Construction of Universal Beijing Resort	(976)	(1,498)	(1,116)
Purchase of spectrum	0	(459)	0
Acquisitions, net of cash acquired	(1,374)	(233)	(370)
Proceeds from sales of businesses and investments	684	2,339	886
Purchases of investments	(174)	(812)	(1,899)
Other	451	250	86
Net cash provided by (used in) investing activities	(13,446)	(12,047)	(14,841)
Financing Activities
Proceeds from (repayments of) short-term borrowings, net	0	0	(1,288)
Proceeds from borrowings	2,628	18,644	5,479
Proceeds from collateralized obligation	0	0	5,175
Repurchases and repayments of debt	(11,498)	(18,777)	(14,354)
Repurchases of common stock under repurchase program and employee plans	(4,672)	(534)	(504)
Dividends paid	(4,532)	(4,140)	(3,735)
Other	(544)	(1,706)	46
Net cash provided by (used in) financing activities	(18,618)	(6,513)	(9,181)
Impact of foreign currency on cash, cash equivalents and restricted cash	(71)	2	5
Increase (decrease) in cash, cash equivalents and restricted cash	(2,989)	6,179	1,680
Cash, cash equivalents and restricted cash, beginning of year	11,768	5,589	3,909
Cash, cash equivalents and restricted cash, end of year	$ 8,778	$ 11,768	$ 5,589