Income Taxes Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020
Deferred Tax Assets, Net of Valuation Allowance [Abstract]
Pension		$ 76	$ 106
Employee Benefits		30	29
Net operating loss carryforwards		699	746
Warranty and other liabilities		77	69
Deferred Tax Assets, Leasing Arrangements		78	77
Other		184	171
Total gross deferred tax assets		1,144	1,198
Less: valuation allowances		(766)	(832)
Total deferred tax assets (1)	[1]	378	366
Deferred Tax Liabilities, Gross [Abstract]
Fixed assets		55	57
Tax on unremitted profits of certain foreign subsidiaries		65	64
Intangibles		174	201
Deferred Tax Liabilities, Leasing Arrangements		78	77
Total gross deferred tax liabilities		372	399
Net deferred tax liabilities			$ (33)
Deferred Tax Assets, Net		$ 6

[1] Reflects gross amount before jurisdictional netting of deferred tax assets and liabilities.