Other Non-current Assets (Tables)

12 Months Ended

Dec. 31, 2021

Other Assets, Noncurrent [Abstract]

Schedule of Other Non-Current Assets

(Dollars in millions)	December 31,
	2021		2020
Equity method investments	$	11	$	9
Deferred tax assets		271		281
Income tax receivables		20		28
Insurance receivables		127		105
Other non-current assets		51		44
Total other non-current assets	$	481	$	466