7. Customer Deposits

As of March 31, 2018 and December 31, 2017, customer deposits were categorized as interest bearing or non-interest bearing as follows:

(Millions)		2018		2017
U.S.:
	Interest bearing	$	65,913	$	63,666
	Non-interest bearing (includes Card Member credit balances of: 2018, $319 million; 2017, $358 million)		353		395
Non-U.S.:
	Interest bearing		42		34
	Non-interest bearing (includes Card Member credit balances of: 2018, $344 million; 2017, $344 million)		357		357
Total customer deposits		$	66,665	$	64,452

Customer deposits by deposit type as of March 31, 2018 and December 31, 2017 were as follows:

(Millions)			2018		2017
U.S. retail deposits:
	Savings accounts – Direct		$	34,544	$	31,915
	Certificates of deposit:^(a)
		Direct		325		290
		Third-party (brokered)		16,453		16,684
	Sweep accounts – Third-party (brokered)			14,591		14,777
Other deposits:
	U.S. non-interest bearing deposits			34		37
	Non-U.S. deposits			55		47
Card Member credit balances ― U.S. and non-U.S.				663		702
Total customer deposits			$	66,665	$	64,452

The weighted average remaining maturity and weighted average interest rate at issuance on the total portfolio of U.S. retail certificates of deposit issued through direct and third-party programs were 39 months and 2.16 percent, respectively, as of March 31, 2018.

The scheduled maturities of certificates of deposit as of March 31, 2018 were as follows:

(Millions)	U.S.		Non-U.S.		Total
2018	$	4,984	$	16	$	5,000
2019		4,610		11		4,621
2020		3,693		―		3,693
2021		1,317		―		1,317
2022		2,149		―		2,149
After 5 years		25		―		25
Total	$	16,778	$	27	$	16,805

As of March 31, 2018 and December 31, 2017, certificates of deposit in denominations of $250,000 or more, in the aggregate, were as follows:

(Millions)	2018		2017
U.S.	$	126	$	114
Non-U.S.		17		11
Total	$	143	$	125