CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Restricted cash and restricted cash equivalents (includes $325 million and $282 million related to VIEs at respective dates)	$ 335	$ 297	$ 373
Allowance for doubtful accounts	378	445
Customers (net of allowance for doubtful accounts of $378 million and $445 million at respective dates) (includes $1.9 billion and $1.7 billion related to VIEs, net of allowance for doubtful accounts of $378 million and $445 million at respective dates)	2,302	2,048
Accrued unbilled revenue (includes $1.4 billion and $1.1 billion related to VIEs at respective dates)	1,593	1,254
Other (net of allowance for doubtful accounts of $50 million and $35 million at respective dates)	50	35
Long-term debt, classified as current (includes $204 million and $176 million related to VIEs at respective dates)	2,128	1,376
Interest payable (includes $147 million and $67 million related to VIEs at respective dates)	651	679
Long-term debt (includes $11.7 billion and $10.5 billion related to VIEs at respective dates)	$ 54,748	$ 50,975
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	3,600,000,000	3,600,000,000
Common stock, shares outstanding (in shares)	2,137,544,854	2,133,597,758
Variable Interest Entity, Primary Beneficiary
Restricted cash and restricted cash equivalents (includes $325 million and $282 million related to VIEs at respective dates)	$ 325	$ 282
Allowance for doubtful accounts	378	445
Customers (net of allowance for doubtful accounts of $378 million and $445 million at respective dates) (includes $1.9 billion and $1.7 billion related to VIEs, net of allowance for doubtful accounts of $378 million and $445 million at respective dates)	1,900	1,700
Accrued unbilled revenue (includes $1.4 billion and $1.1 billion related to VIEs at respective dates)	1,400	1,100
Noncurrent accounts receivable	98	0
Allowance for doubtful accounts, noncurrent	19	0
Long-term debt, classified as current (includes $204 million and $176 million related to VIEs at respective dates)	204	176
Interest payable (includes $147 million and $67 million related to VIEs at respective dates)	147	67
Long-term debt (includes $11.7 billion and $10.5 billion related to VIEs at respective dates)	$ 11,700	$ 10,500

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