Borrowings (Tables)

9 Months Ended

Sep. 30, 2021

Borrowings

Summary of short-term debt

	At September 30,		At December 31,
(Dollars in millions)	2021		2020
Current maturities of long-term debt	$	112	$	69

Summary of long-term debt

Long-Term Debt

	Weighted-Average		At September 30,		At December 31,
(Dollars in millions)	Interest Rate*	Maturities	2021		2020
U.S. dollar debt:
Long-term debt	3.0%	2021-2026	$	136	$	—
Finance lease obligations	1.2%	2021-2026		257		209
			$	392	$	209
Less: current maturities				112		69
Total			$	280	$	140

* As of September 30, 2021.

Schedule of contractual obligations of long-term debt outstanding

Contractual obligations of long-term debt outstanding at September 30, 2021, were as follows:

(Dollars in millions)
At September 30, 2021:	Total
Remainder of 2021	$	29
2022		110
2023		96
2024		74
2025		59
Thereafter		24
Total	$	392