XML 40 R27.htm IDEA: XBRL DOCUMENT v3.22.2.2
Summary of Significant Accounting Policies - Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Dec. 31, 2020
Accounting Policies [Abstract]        
Cash and cash equivalents $ 4,588 $ 4,111    
Restricted cash and cash equivalents 1,778 1,694    
Total cash, cash equivalents and restricted cash and cash equivalents in the consolidated statements of cash flows $ 6,366 $ 5,805 $ 6,618 $ 4,138