Other Assets (Tables)

12 Months Ended

Dec. 31, 2017

Table Text Block [Abstract]

Other assets

The following is a summary of Other assets as of December 31:

(Millions)	2017		2016
Goodwill	$	3,009	$	2,927
Deferred tax assets, net(a)		1,647		2,336
Tax credit investments		1,023		824
Other intangible assets, at amortized cost		899		868
Prepaid expenses		684		696
Restricted cash(b)		336		286
Derivative assets(a)		124		555
Other		2,033		2,069
Total	$	9,755	$	10,561

• Refer to Notes 14 and 21 for a discussion of derivative assets and deferred tax assets, net, as of December 31, 2017 and 2016. For 2017 and 2016, $98 million and $81 million, respectively, of foreign deferred tax liabilities is reflected in Other liabilities. Derivative assets reflect the impact of master netting agreements and cash collateral.
• Includes restricted cash available to settle obligations related to certain Card Member credit balances and customer deposits, as well as coupon and maturity obligations of consolidated VIEs.

Changes in carrying amount of goodwill

The changes in the carrying amount of goodwill reported in the Company’s reportable operating segments and Corporate & Other were as follows:

(Millions)	USCS		ICNS		GCS		GMS		Corporate & Other		Total
Balance as of January 1, 2016	$	122	$	620	$	1,715	$	291	$	1	$	2,749
Acquisitions		―		―		―		201		―		201
Dispositions		―		―		―		―		―		―
Other(a)		―		(16)		(3)		(3)		(1)		(23)
Balance as of December 31, 2016	$	122	$	604	$	1,712	$	489	$	―	$	2,927
Acquisitions		4		15		―		―		―		19
Dispositions		―		―		―		―		―		―
Other(a)		1		41		12		9		―		63
Balance as of December 31, 2017	$	127	$	660	$	1,724	$	498	$	―	$	3,009

Primarily includes foreign currency translation.

Components of other intangible assets

The components of other intangible assets were as follows:

		2017						2016
(Millions)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	$	1,863	$	(1,073)	$	790	$	1,625	$	(895)	$	730
Other		242		(133)		109		260		(122)		138
Total	$	2,105	$	(1,206)	$	899	$	1,885	$	(1,017)	$	868

Estimated amortization expense for other intangible assets

Estimated amortization expense for other intangible assets over the next five years is as follows:

(Millions)		2018		2019		2020		2021		2022
Estimated amortization expense	$	221	$	183	$	156	$	126	$	98