XML 24 R9.htm IDEA: XBRL DOCUMENT v3.19.1
Consolidated Statements of Cash Flows Consolidated Statements of Cash Flows - Restricted Cash Parenthetical - USD ($)
$ in Millions
May 04, 2019
May 05, 2018
Statement of Cash Flows - Restricted Cash [Abstract]    
Restricted Cash and Cash Equivalents $ 78 $ 49