Completed Divestiture of the Latin American Business and Planned Divestiture of European, Middle Eastern and African Business - Components of Held for Sale Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Aug. 01, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets held for sale
Cash and cash equivalents	$ 44		$ 39	$ 0
Other current assets	56		$ 81
Disposal Group, Held-for-sale | Latin American Business
Assets held for sale
Cash and cash equivalents		$ 40
Accounts receivable, less allowance		105
Other current assets		86
Property, plant and equipment, net accumulated depreciation		1,703
Goodwill		719
Customer relationships and other intangibles, net		140
Other non-current assets		70
Total assets held for sale		2,863
Accounts receivable, allowance		3
Property, plant and equipment, accumulated depreciation		447
Liabilities held for sale
Accounts payable		105
Income and other taxes		42
Other current liabilities		59
Deferred income taxes		154
Other non-current liabilities		122
Total liabilities held for sale		$ 482
Disposal Group, Held-for-sale | EMEA Business
Assets held for sale
Cash and cash equivalents	43
Accounts receivable, less allowance	76
Other current assets	56
Property, plant and equipment, net accumulated depreciation	1,864
Goodwill	0
Customer relationships and other intangibles, net	100
Operating lease assets	156
Valuation allowance on assets held for sale	(616)
Deferred tax assets	131
Other non-current assets	32
Total assets held for sale	1,842
Accounts receivable, allowance	5
Property, plant and equipment, accumulated depreciation	998
Liabilities held for sale
Accounts payable	78
Salaries and benefits	23
Current portion of deferred revenue	28
Current operating lease liabilities	33
Other current liabilities	28
Deferred income taxes	38
Asset retirement obligations	30
Deferred revenue, non-current	85
Operating lease liabilities, non-current	103
Total liabilities held for sale	446
Loss on foreign currency translation	$ 353