Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2020

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Other Current Assets

In millions	December 31,	2020		2019
Prepaid expenses		$	148	$	142
Assets held for sale (Note 5)		90		—
Income taxes receivable		85		219
Other		42		57
Total other current assets		$	365	$	418