Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Schedule of Information Company’s Operating Leases

A significant operating lease was renewed in 2018 with the State of Georgia for approximately 137 miles of right-of-way with integral equipment for an additional term of 50 years with an annual 2.5% increase. The following table presents information about the amount, timing and uncertainty of cash flows arising from the Company’s operating leases as of December 31, 2019.

(Dollars in Millions)	December 2019
Maturity of Lease Liabilities	Lease Payments
2020	58
2021	54
2022	48
2023	39
2024	37
Thereafter	1,208
Total undiscounted operating lease payments	$	1,444
Less: Imputed interest	(894		)
Present value of operating lease liabilities	$	550
Balance Sheet Classification
Current lease liabilities (recorded in other current liabilities)	$	57
Long-term lease liabilities	493
Total operating lease liabilities	$	550
Other Information
Weighted-average remaining lease term for operating leases	33 years
Weighted-average discount rate for operating leases	5.0		%

Schedule of Operating Lease Costs

These amounts are shown in the table below.

	Fiscal Years
(Dollars in Millions)	2019		2018		2017
Rent Expense on Operating Leases	$	84	$	66	$	78