Supplemental Cash Flow Statement Disclosures (Tables)

6 Months Ended

Jun. 30, 2023

Supplemental Cash Flow Statement Disclosures

Schedule of cash, cash equivalents and restricted cash

	June 30,
($ in millions)	2023		2022
Beginning of period:
Cash and cash equivalents	$	548	$	563
Current restricted cash (included in other current assets)		10		16
Total cash, cash equivalents and restricted cash	$	558	$	579
End of period:
Cash and cash equivalents	$	955	$	480
Current restricted cash (included in other current assets)		13		26
Total cash, cash equivalents and restricted cash	$	968	$	506

Summary of PP&E acquired but not yet paid

	June 30,
($ in millions)	2023		2022
Beginning of period:
PP&E acquired but not yet paid	$	392	$	540
End of period:
PP&E acquired but not yet paid	$	204	$	565