Investments (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value, Equity And Cost Method Investments [Line Items]

Investment Summary

December 31 (in millions)	2017		2016
Fair Value Method:
Snap	$	430	$	—
Other	167		198
	597		198
Equity Method:
Atairos	2,388		1,601
Hulu	249		225
Other	909		550
	3,546		2,376
Cost Method:
AirTouch	1,614		1,599
BuzzFeed	400		400
Other	793		771
	2,807		2,770
Total investments	6,950		5,344
Less: Current investments	19		97
Noncurrent investments	$	6,931	$	5,247

Investment Income (Loss), Net

Investment Income (Loss), Net
Year ended December 31 (in millions)	2017			2016			2015
Gains (losses) on sales of investments, net	$	12		$	46		$	12
Investment impairment losses	(29		)	(34		)	(59		)
Interest and dividend income	136			123			115
Other, net	134			78			13
Investment income (loss), net	$	253		$	213		$	81

NBCUniversal Media LLC [Member]

Fair Value, Equity And Cost Method Investments [Line Items]

Investment Summary

December 31 (in millions)	2017		2016
Fair Value Method:
Snap	$	430	$	—
Other	—		6
	430		6
Equity Method:
Hulu	249		225
Other	441		336
	690		561
Cost Method:
BuzzFeed	400		400
Other	296		296
	696		696
Total investments	$	1,816	$	1,263

Summarized Financial Information

The tables below present the summarized combined financial information of our equity method investments.

December 31 (in millions)	2017		2016
Current assets	$	2,612	$	2,105
Noncurrent assets	$	3,690	$	2,724
Current liabilities	$	2,205	$	1,921
Noncurrent liabilities	$	3,969	$	2,853

Year ended December 31 (in millions)	2017			2016			2015
Revenue	$	4,234		$	4,285		$	3,944
Operating income (loss)	$	(465	)	$	(182	)	$	(1,609	)
Net income (loss)	$	(656	)	$	(313	)	$	(1,820	)