Investments (Tables)

9 Months Ended

Sep. 30, 2019

Investments [Line Items]

Investment and Other Income (Loss), Net

Investment and Other Income (Loss), Net

	Three Months Ended September 30						Nine Months Ended September 30
(in millions)	2019			2018			2019			2018
Equity in net income (losses) of investees, net	$	(355	)	$	(76	)	$	(295	)	$	(56	)
Realized and unrealized gains (losses) on equity securities, net	174			(38		)	582			(50		)
Other income (loss), net	71			3			224			198
Investment and other income (loss), net	$	(110	)	$	(111	)	$	511		$	92

Investment Summary

(in millions)	September 30, 2019		December 31, 2018
Equity method	$	5,363	$	4,035
Marketable equity securities	862		341
Nonmarketable equity securities	1,933		1,805
Other investments	1,841		1,796
Total investments	9,999		7,977
Less: Current investments	1,710		94
Less: Investment securing collateralized obligation	816		—
Noncurrent investments	$	7,473	$	7,883

NBCUniversal Media LLC [Member]

Investments [Line Items]

Investment and Other Income (Loss), Net

Investment and Other Income (Loss), Net

	Three Months Ended September 30						Nine Months Ended September 30
(in millions)	2019			2018			2019			2018
Equity in net income (losses) of investees, net	$	(88	)	$	(119	)	$	(299	)	$	(306	)
Realized and unrealized gains (losses) on equity securities, net	178			(91		)	436			(128		)
Other income (loss), net	79			5			312			57
Investment and other income (loss), net	$	169		$	(205	)	$	449		$	(377	)

Investment Summary

(in millions)	September 30, 2019		December 31, 2018
Equity method	$	1,290	$	707
Marketable equity securities	725		162
Nonmarketable equity securities	794		811
Total investments	2,809		1,680
Less: Investment securing collateralized obligation	816		—
Noncurrent investments	$	1,993	$	1,680