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Other Operating and Non-Operating Income (Notes)
 9 Months Ended
Sep. 30, 2023
Nonoperating Income (Expense) [Abstract]  
Other Operating and Non-Operating Income OTHER OPERATING AND NON-OPERATING ITEMS
Other operating credits and charges, net
Other operating credits and charges, net, is comprised of the following components (dollar amounts in millions):
Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
Insurance recoveries$— $2 $— $15 
Reorganization charges(2)(4)(9)(5)
Legal settlement— — (16)— 
Environmental costs— — — (2)
Gain on asset sales6 — 6 — 
Other1 9 (1)9 
Other operating credits and charges, net$6 $7 $(20)$17 
Other non-operating items
Other non-operating items is comprised of the following components (dollar amounts in millions):
 Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
Net periodic pension cost, excluding service cost$— $(1)$— $(4)
Pension settlement charges— (4)(6)(4)
Foreign currency gain (loss)$— $2 $(12)$(3)
Other$— $1 $1 $1 
Other non-operating items$— $(3)$(17)$(11)