Condensed Consolidated Statement of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Operating Activities
Net income	$ 6,835	$ 6,384
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other operating gains	6,596	5,002
Share-based compensation	533	410
Noncash interest expense (income), net	168	171
Net (gain) loss on investment activity and other	(367)	(68)
Deferred income taxes	466	814
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
Current and noncurrent receivables, net	295	(60)
Film and television costs, net	970	68
Accounts payable and accrued expenses related to trade creditors	(815)	(119)
Other operating assets and liabilities	(410)	(65)
Net cash provided by operating activities	14,271	12,537
Investing Activities
Capital expenditures	(4,355)	(4,223)
Cash paid for intangible assets	(1,078)	(930)
Acquisitions and construction of real estate properties	(36)	(104)
Construction of Universal Beijing Resort	(450)	(116)
Acquisitions, net of cash acquired	(114)	(88)
Proceeds from sales of businesses and investments	150	113
Purchases of investments	(1,605)	(538)
Other	74	580
Net cash provided by (used in) investing activities	(7,414)	(5,306)
Financing Activities
Proceeds from (repayments of) short-term borrowings, net	(801)	23
Proceeds from borrowings	363	4,279
Repurchases and repayments of debt	(4,156)	(4,347)
Repurchases of common stock under repurchase program and employee plans	(350)	(2,998)
Dividends paid	(1,823)	(1,616)
Distributions to noncontrolling interests and dividends for redeemable subsidiary preferred stock	(155)	(140)
Other	190	(161)
Net cash provided by (used in) financing activities	(6,732)	(4,960)
Impact of foreign currency on cash, cash equivalents and restricted cash	(15)	0
Increase (decrease) in cash, cash equivalents and restricted cash	110	2,271
Cash, cash equivalents and restricted cash, beginning of period	3,909	3,571
Cash, cash equivalents and restricted cash, end of period	4,019	5,842
NBCUniversal Media LLC [Member]
Operating Activities
Net income	3,467	2,771
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,042	1,063
Net (gain) loss on investment activity and other	(115)	232
Deferred income taxes	7	0
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
Current and noncurrent receivables, net	69	(42)
Film and television costs, net	(152)	77
Accounts payable and accrued expenses related to trade creditors	(113)	(169)
Other operating assets and liabilities	(472)	(497)
Net cash provided by operating activities	3,733	3,435
Investing Activities
Capital expenditures	(926)	(730)
Cash paid for intangible assets	(136)	(296)
Note receivable from Comcast	(480)	0
Construction of Universal Beijing Resort	(450)	(116)
Purchases of investments	(1,013)	(288)
Other	(6)	(56)
Net cash provided by (used in) investing activities	(3,011)	(1,486)
Financing Activities
Proceeds from borrowings	426	245
Repurchases and repayments of debt	(91)	(332)
Proceeds from (repayments of) borrowings from Comcast, net	27	(1,692)
Distributions to member	(1,254)	(990)
Distributions to noncontrolling interests	(119)	(111)
Other	89	(132)
Net cash provided by (used in) financing activities	(922)	(3,012)
Increase (decrease) in cash, cash equivalents and restricted cash	(200)	(1,063)
Cash, cash equivalents and restricted cash, beginning of period	1,464	2,377
Cash, cash equivalents and restricted cash, end of period	$ 1,264	$ 1,314