Casualty, Environmental and Other Reserves (Tables)

6 Months Ended

Jun. 30, 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.

	June 30, 2022						December 31, 2021
(Dollars in millions)	Current		Long-term		Total		Current		Long-term		Total
Casualty:
Personal Injury	$	31	$	95	$	126	$	37	$	81	$	118
Occupational	7		55		62		7		55		62
Total Casualty	38		150		188		44		136		180
Environmental	40		93		133		37		71		108
Other	35		47		82		37		43		80
Total	$	113	$	290	$	403	$	118	$	250	$	368