Commitments and Contingencies, Variable Interest Entities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Amount Reflected in Consolidated Balance Sheets [Abstract]
Current assets	$ 0	$ 0
Property, plant and equipment, net	1	1
Other noncurrent assets	0	0
Variable interest entity, consolidated, carrying amount, assets	1	1
Current liabilities	0	0
Mortgages and other long-term debt payable	1	1
Other noncurrent liabilities	0	0
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities	1	1
Other Commitments [Line Items]
Variable Interest Entity Consolidated Carrying Amount Current Assets	0	0
Variable Interest Entity Consolidated Carrying Amount Property Plant Equipment Net	1	1
Variable Interest Entity Consolidated Carrying Amount Other Noncurrent Assets	0	0
Variable interest entity, consolidated, carrying amount, assets	1	1
Variable Interest Entity Consolidated Carrying Amount Current Liabilities	0	0
Variable Interest Entity Consolidated Carrying Amount Mortgages Other Long Term Debt Payable	1	1
Variable Interest Entity Consolidated Carrying Amount Other Noncurrent Liabilities	0	0
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities	$ 1	$ 1