Supplemental Cash Flow Statement Disclosures (Tables)

9 Months Ended

Sep. 30, 2020

Supplemental Cash Flow Statement Disclosures

Schedule of cash, cash equivalents and restricted cash

	September 30,
($ in millions)	2020		2019
Beginning of period:
Cash and cash equivalents	$	1,798	$	721
Current restricted cash (included in other current assets)		8		7
Total cash, cash equivalents and restricted cash	$	1,806	$	728
End of period:
Cash and cash equivalents	$	771	$	483
Current restricted cash (included in other current assets)		12		9
Cash in assets held for sale (included in other current assets)		—		5
Total cash, cash equivalents and restricted cash	$	783	$	497