XML 30 R30.htm IDEA: XBRL DOCUMENT v3.19.2
BENEFIT PLANS - DEFINED CONTRIBUTION PLAN INFORMATION (Details) - USD ($)
$ in Millions
6 Months Ended
Aug. 17, 2019
Aug. 18, 2018
COMPANY-SPONSORED BENEFIT PLANS    
Contribution to 401(k) retirement savings accounts $ 173 $ 159