Goodwill and Intangible Assets, Net (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

The following table summarizes our goodwill activity by segment for the period presented:

	Hotel		Other			Consolidated
	(in millions)
Balances as of December 31, 2014	$	442	$	292		$	734
Additions (1)		1		3			4
Other adjustments (2)		-		(18	)		(18	)
Ending balance as of March 31, 2015	$	443	$	277		$	720


(1)	Additions relate to our 2015 business acquisitions.
(2)	Other adjustments are primarily related to impact of changes in foreign exchange rates.

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination

Intangible assets, which were acquired in business combinations and recorded at fair value on the date of purchase, consist of the following for the periods presented:

	March 31, 2015			December 31, 2014
	(in millions)
Intangible assets with definite lives	$	190		$	202
Less: accumulated amortization		(24	)		(18	)
Intangible assets with definite lives, net		166			184
Intangible assets with indefinite lives		30			30
Total	$	196		$	214

Components of Intangible Assets with Definite Lives

The following table presents the components of our intangible assets with definite lives for the periods presented:

			March 31, 2015							December 31, 2014
	Weighted Average		Gross					Net		Gross					Net
	Remaining Life		Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	(in years)		Amount		Amortization			Amount		Amount		Amortization			Amount
			(in millions)							(in millions)
Trade names and trademarks		9.2	$	51	$	(6	)	$	45	$	52	$	(5	)	$	47
Customer lists and supplier relationships		6.4		76		(7	)		69		77		(5	)		72
Subscriber relationships		5.3		29		(5	)		24		31		(4	)		27
Technology and other		4.1		34		(6	)		28		42		(4	)		38
Total		6.6	$	190	$	(24	)	$	166	$	202	$	(18	)	$	184

Summary of Estimated Future Amortization Expense Related to Intangible Assets with Definite Lives

Intangible assets with definite lives are amortized on a straight-line basis. The estimated amortization expense for intangible assets with definite lives for each of the next five years, and the expense thereafter, assuming no subsequent impairment of the underlying assets, is expected to be as follows (in millions):

2015(remaining nine months)	$	22
2016		29
2017		27
2018		25
2019		22
2020 and thereafter		41
Total	$	166