Stock-Based Compensation Stock Compensation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining Weighted-Average Recognition Period	1 year 1 month 6 days
OIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant	20,000,000
Shares authorized for future grants	10,000,000
Tax Benefit from Compensation Expense	$ 3	$ 8	$ 8
Intrinsic value of stock options	14	43	43
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	54	55	79
Tax Benefit from Compensation Expense	$ 10	$ 10	$ 15