Supplemental Cash Flow Statement Disclosures (Tables)

3 Months Ended

Mar. 31, 2022

Supplemental Cash Flow Statement Disclosures

Schedule of cash, cash equivalents and restricted cash

	March 31,
($ in millions)	2022		2021
Beginning of period:
Cash and cash equivalents	$	563	$	1,366
Current restricted cash (included in other current assets)		16		15
Total cash, cash equivalents and restricted cash	$	579	$	1,381
End of period:
Cash and cash equivalents	$	437	$	461
Current restricted cash (included in other current assets)		9		10
Total cash, cash equivalents and restricted cash	$	446	$	471

Summary of PP&E acquired but not yet paid

	March 31,
($ in millions)	2022		2021
Beginning of period:
PP&E acquired but not yet paid	$	540	$	409
End of period:
PP&E acquired but not yet paid	$	528	$	515