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BASIS OF PRESENTATION - Other Current Asset (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Accounts receivable and allowance for doubtful accounts
Prepaid expenses	$ 373	$ 368
Contract assets	178	190
California provider fee program receivables	2,518	2,536
Receivables from other government programs	318	326
Guarantees	141	194
Non-patient receivables	282	229
Other	115	119
Total other current assets	1,889	1,760
California's Provider Fee Program
Accounts receivable and allowance for doubtful accounts
California provider fee program receivables	$ 482	$ 334

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