Prepaid Expenses and Other Assets (Tables)

12 Months Ended

Dec. 31, 2018

Prepaid Expense and Other Assets [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following at December 31:

	2018		2017
	(in millions)
Customer and merchant incentives	$	778	$	464
Prepaid income taxes	51		77
Other	603		499
Total prepaid expenses and other current assets	$	1,432	$	1,040

Schedule of Other Assets, Noncurrent

Other assets consisted of the following at December 31:

	2018		2017
	(in millions)
Customer and merchant incentives	$	2,458	$	1,434
Nonmarketable equity investments	337		249
Prepaid income taxes	—		352
Income taxes receivable	298		178
Other	210		85
Total other assets	$	3,303	$	2,298