XML 27 R17.htm IDEA: XBRL DOCUMENT v3.20.4
Other Current Assets
 12 Months Ended
Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other current assets Other current assets
In millionsDecember 31,20202019
Prepaid expenses$148 $142 
Assets held for sale (Note 5)
90 — 
Income taxes receivable85 219 
Other42 57 
Total other current assets$365 $418