Accounting Policies - Restricted Cash (Details) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Cash and Cash Equivalents		$ 1,248	$ 1,088	$ 1,030
Restricted Cash	[1]	79		104
Total Cash, Cash Equivalents and Restricted Cash		$ 1,327	$ 1,164	$ 1,134	$ 1,624

[1] Includes remaining Cooper Tire & Rubber Company ("Cooper Tire") restricted cash acquired of $21 million and $50 million at June 30, 2022 and June 30, 2021, respectively.