Planned Divestiture of Latin American Business - Components of Held for Sale Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Assets held for sale
Cash and cash equivalents	$ 58		$ 0
Other current assets	83	$ 81
Disposal Group, Held-for-sale, Not Discontinued Operations | Latin American Business
Assets held for sale
Cash and cash equivalents	58	39
Accounts receivable, less allowance of $3 and $3	93	83
Other current assets	83	81
Property, plant and equipment, net accumulated depreciation of $456 and $434	1,704	1,591
Goodwill	733	713
Customer relationships and other intangibles, net	138	126
Other non-current assets	83	75
Total assets held for sale	2,892	2,708
Liabilities held for sale
Accounts payable	90	101
Salaries and benefits	25	23
Income and other taxes	34	27
Current portion of deferred revenue	26	26
Other current liabilities	7	7
Deferred income taxes, net	148	129
Other non-current liabilities	134	122
Total liabilities held for sale	464	435
Allowance for doubtful accounts	3	3
Accumulated depreciation	$ 456	$ 434