COMBINED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ (1,579)	$ (1,293)
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Depreciation of property and equipment	1,005	1,080
Depreciation of right-of-use assets	237	292
Amortization of deferred costs	1,427	1,496
Amortization of intangibles	26	23
Stock-based compensation	53	47
Deferred taxes	(327)	(1)
Net (gain) loss on asset sales and other	(31)
Change in operating assets and liabilities:
Deferred costs (excluding amortization)	(1,363)	(1,442)
Right-of-use assets and liabilities (excluding depreciation)	(309)	(269)
Workforce rebalancing liabilities	(319)	107
Accounts receivable	(356)	254
Accounts payable	(90)	(39)
Taxes (including items settled with Parent)	780	245
Other assets and other liabilities	121	(177)
Net cash provided by (used in) operating activities	(725)	323
Cash flows from investing activities:
Payments for property and equipment	(600)	(750)
Proceeds from disposition of property and equipment	188	73
Other investing activities, net	(13)	(1)
Net cash used in investing activities	(425)	(678)
Cash flows from financing activities:
Proceeds from new debt	140
Payments to settle debt	(59)	(44)
Net transfers from Parent	1,794	394
Net cash provided by financing activities	1,876	350
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(12)	(3)
Net change in cash, cash equivalents and restricted cash	713	(7)
Cash, cash equivalents and restricted cash at January 1	38	50
Cash, cash equivalents and restricted cash at September 30	$ 751	$ 43