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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2020
Jun. 30, 2019
Reconciliation of cash, cash equivalents and restricted cash and cash equivalents at end of period:    
Cash and cash equivalents $ 2,663 $ 2,250
Restricted cash and cash equivalents included in other current assets 41 18
Restricted cash and cash equivalents included in restricted trust and escrow accounts 68 74
Cash, cash equivalents and restricted cash and cash equivalents at end of period $ 2,772 $ 2,342