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NATURE OF OPERATIONS AND FINANCIAL STATEMENT PRESENTATION (Tables)
6 Months Ended
Jun. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Cash, Cash Equivalents The following table presents the line items and amounts of cash, cash equivalents, and restricted cash reported on the balance sheet and reconciles their sum to Cash, Cash Equivalents, and Restricted Cash, End of Period on the Condensed Consolidated Statements of Cash Flows:
Six Months Ended June 30,
(in millions)20232022
Cash and Cash Equivalents$53 $146 
Restricted Cash included in:
Investments and Other Property19 19 
Current Assets—Other13 
Cash, Cash Equivalents, and Restricted Cash, End of Period$85 $168 
Schedule of Restricted Cash The following table presents the line items and amounts of cash, cash equivalents, and restricted cash reported on the balance sheet and reconciles their sum to Cash, Cash Equivalents, and Restricted Cash, End of Period on the Condensed Consolidated Statements of Cash Flows:
Six Months Ended June 30,
(in millions)20232022
Cash and Cash Equivalents$53 $146 
Restricted Cash included in:
Investments and Other Property19 19 
Current Assets—Other13 
Cash, Cash Equivalents, and Restricted Cash, End of Period$85 $168