Debt and Credit Agreements (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Debt Profile

DEBT PROFILE

													Total
PRINCIPAL AMOUNT BY EXPECTED MATURITY (dollars in millions)	2022		2023		2024		2025		2026		Thereafter		long- term		Total
Bonds	$	—	$	565	$	297	$	—	$	285	$	185	$	1,332	$	1,332
Loans		332		—		—		332		—		—		332		664
Commercial papers		—		—		—		—		—		—		—		—
Other short-term debt		14		—		—		—		—		—		—		14
Total principal amount	$	346	$	565	$	297	$	332	$	285	$	185	$	1,664	$	2,010	1)

1) The difference between reported total debt and total principal amount is mainly related to capitalized debt issuance costs.