Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Value of Goodwill and Other Intangible Assets

Changes in Carrying Value of Goodwill and Other Intangible Assets
	Amortizing Intangible Assets			Non-Amortizing Intangible Assets
(In millions)				Goodwill		Other
Balance as of December 31, 2017	$	355		$	3,815	$	1,254
Other	—			2		4
Amortization	(16		)	—		—
Balance as of March 31, 2018	$	339		$	3,817	$	1,258

Gross Carrying Value and Accumulated Amortization of Finite-Lived Intangible Assets Other Than Goodwill

Gross Carrying Value and Accumulated Amortization of Intangible Assets Other Than Goodwill
	March 31, 2018								December 31, 2017
(Dollars in millions)	Weighted Average Remaining Useful Life (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortizing
Customer relationships	4.7	$	1,030	$	(709	)	$	321	$	1,030	$	(693	)	$	337
Contract rights	6.8	3		(2		)	1		3		(2		)	1
Gaming rights and other	6.3	43		(26		)	17		43		(26		)	17
		$	1,076	$	(737	)	339		$	1,076	$	(721	)	355
Non-amortizing intangible assets
Trademarks							790							790
Gaming rights							215							211
Total Rewards							253							253
							1,258							1,254
Total intangible assets other than goodwill							$	1,597						$	1,609

Gross Carrying Value and Accumulated Amortization of Indefinite-Lived Intangible Assets Other Than Goodwill

Gross Carrying Value and Accumulated Amortization of Intangible Assets Other Than Goodwill
	March 31, 2018								December 31, 2017
(Dollars in millions)	Weighted Average Remaining Useful Life (in years)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortizing
Customer relationships	4.7	$	1,030	$	(709	)	$	321	$	1,030	$	(693	)	$	337
Contract rights	6.8	3		(2		)	1		3		(2		)	1
Gaming rights and other	6.3	43		(26		)	17		43		(26		)	17
		$	1,076	$	(737	)	339		$	1,076	$	(721	)	355
Non-amortizing intangible assets
Trademarks							790							790
Gaming rights							215							211
Total Rewards							253							253
							1,258							1,254
Total intangible assets other than goodwill							$	1,597						$	1,609