Property, Plant, and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Other Assets and Liabilities
Total	$ 6,313	$ 6,430
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(2,613)	(2,560)
Property, Plant and Equipment, Net	3,700	3,870
Land and land improvements
Other Assets and Liabilities
Total	863	968
Buildings and building improvements
Other Assets and Liabilities
Total	$ 2,602	2,724
Estimated Useful Life (Years)	40 years
Furniture and equipment
Other Assets and Liabilities
Total	$ 1,656	1,509
Furniture and equipment | Min
Other Assets and Liabilities
Estimated Useful Life (Years)	3 years
Furniture and equipment | Max
Other Assets and Liabilities
Estimated Useful Life (Years)	15 years
Leasehold improvements
Other Assets and Liabilities
Total	$ 910	978
Construction in progress
Other Assets and Liabilities
Total	247	179
Finance leases
Other Assets and Liabilities
Total	$ 35	$ 72