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Significant Accounting Policies - Summary of Real Estate Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Accounting Policies [Abstract]    
Real estate under development, current (included in other current assets) $ 0 $ 193
Real estate and other assets held for sale (included in other current assets) 42 97
Real estate under development 300 172
Real estate held for investment (included in other assets, net) 179 45
Total real estate $ 521 $ 507