7. Customer Deposits

As of September 30, 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	$	68,572	$	63,666
	Non-interest bearing (includes Card Member credit balances of: 2018, $321; 2017, $358)		355		395
Non-U.S.:
	Interest bearing		28		34
	Non-interest bearing (includes Card Member credit balances of: 2018, $336; 2017, $344)		346		357
Total customer deposits		$	69,301	$	64,452

Customer deposits by deposit type as of September 30, 2018 and December 31, 2017 were as follows:

(Millions)			2018		2017
U.S. retail deposits:
	Savings accounts – Direct		$	37,128	$	31,915
	Certificates of deposit:^(a)
		Direct		610		290
		Third-party (brokered)		15,219		16,684
	Sweep accounts – Third-party (brokered)			15,615		14,777
Other deposits:
	U.S. non-interest bearing deposits			34		37
	Non-U.S. deposits			38		47
Card Member credit balances ― U.S. and non-U.S.				657		702
Total customer deposits			$	69,301	$	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 45 months and 2.27 percent, respectively, as of September 30, 2018.

The scheduled maturities of certificates of deposit as of September 30, 2018 were as follows:

(Millions)	U.S.		Non-U.S.		Total
2018	$	2,859	$	4	$	2,863
2019		4,673		14		4,687
2020		3,976		―		3,976
2021		1,824		―		1,824
2022		2,260		―		2,260
After 5 years		237		―		237
Total	$	15,829	$	18	$	15,847

As of September 30, 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.	$	214	$	114
Non-U.S.		9		11
Total	$	223	$	125