Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill balances and adjustments

The following table presents goodwill balances and adjustments to those balances for the years ended December 31, 2019 and 2018:

	December 31, 2017		Goodwill Acquired		Adjustments			December 31, 2018		Goodwill Acquired		Adjustments			December 31, 2019
	(In millions)
Total goodwill	$	4,339	$	1,981	$	(36	)	$	6,284	$	—	$	(72	)	$	6,212

Schedule of components of identifiable intangible assets

The components of identifiable intangible assets are as follows:

	December 31, 2019								December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Useful Life (Years)
	(In millions, except years)
Intangible assets:
Customer lists and user base	$	1,114	$	(700	)	$	414	7	$	1,134	$	(623	)	$	511	7
Marketing related	294		(239		)	55		3	301		(207		)	94		3
Developed technology	445		(343		)	102		3	453		(269		)	184		3
All other	436		(229		)	207		7	245		(209		)	36		5
Intangible assets, net	$	2,289	$	(1,511	)	$	778		$	2,133	$	(1,308	)	$	825

Schedule of expected future intangible asset amortization

Expected future intangible asset amortization as of December 31, 2019 is as follows:

Fiscal years:	(In millions)
2020	$	213
2021	161
2022	99
2023	99
2024	98
Thereafter	108
	$	778