Casualty, Environmental and Other Reserves (Tables)

3 Months Ended

Mar. 31, 2022

Casualty, Environmental and Other Reserves [Abstract]

Schedule of Casualty, Environmental and Other Reserves

Casualty, environmental and other reserves are provided for in the consolidated balance sheets as shown in the table below.

	March 31, 2022						December 31, 2021
(Dollars in millions)	Current		Long-term		Total		Current		Long-term		Total
Casualty:
Personal Injury	$	37	$	84	$	121	$	37	$	81	$	118
Occupational	7		53		60		7		55		62
Total Casualty	44		137		181		44		136		180
Environmental	38		90		128		37		71		108
Other	36		40		76		37		43		80
Total	$	118	$	267	$	385	$	118	$	250	$	368