Leases, (Narrative) (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) Branches numberOfBranches	Dec. 31, 2018 USD ($)
Leases [Abstract]
Number of Branches | Branches	434
Number of Branches Owned | numberOfBranches	280
Number of Branches Leased | numberOfBranches	154
Operating Lease, Right-of-Use Asset	$ 218,000,000
Finance Lease, Right-of-Use Asset	4,000,000
Sales-type and Direct Financing Leases, Lease Receivable	334,000,000	$ 327,000,000
Sales-type and Direct Financing Leases, Profit (Loss)	14,000,000	$ 14,000,000
Operating Cash Disbursement from Operating Leases	50,000,000
Lease maturity year range-beginning	2,020
Lease maturity year range-ending	$ 2,063