Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of amounts associated with amortization of initial payments for new contracts and equity method investments

The following table presents the amounts associated with such amortization for the periods presented:

	Year ended December 31,
(in millions)	2016		2015		2014
Amortization of initial payments for new contracts	$	65	$	51	$	45
Amortization related to equity method investments	47		60		62

Schedule of amounts associated with processing services revenue

Interchange fees and assessments charged by credit card associations to the Company’s consolidated subsidiaries and network fees related to PIN-debit and PINless-debit transactions charged by debit networks were as follows for the periods presented:

	Year ended December 31,
(in millions)		2016		2015		2014
Interchange fees and assessments		$	23,810	$	21,711	$	20,406
Debit network fees		3,121		2,991		2,965

Schedule of estimate of losses on returned check and fair value of check guarantees

The following table presents the estimate of losses on returned check and the fair value of check guarantees:

	As of December 31,
(in millions)	2016		2015
Estimate of losses on returned checks	$	5	$	6
Fair value of checks guaranteed	17		21

Schedule of amounts charged to expense for the depreciation and amortization of property and equipment, including equipment under capital lease

The following table presents depreciation and amortization expense related to property and equipment, including equipment under capital lease:

Year ended December 31,
(in millions)	Amount
2016	$	300
2015	290
2014	286