Stockholders' Equity Noncontrolling Interest (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	46.50%
Payment for acquisition of subsidiary's interest from the non-controlling interest	$ 0	$ 0	$ (60,000,000)
Net Deferred Tax Liability	$ (640,000,000)	$ (782,000,000)
$4.50 Series Preferred Stock [Member] | EID [Member]
Noncontrolling Interest [Line Items]
Preferred Stock, Shares Authorized	23,000,000	23,000,000
Preferred Stock, Shares Issued	1,673,000	1,673,000
Preferred Stock, Redemption Amount	$ 120	$ 120
$3.50 Series Preferred Stock [Member] | EID [Member]
Noncontrolling Interest [Line Items]
Preferred Stock, Shares Authorized	23,000,000	23,000,000
Preferred Stock, Shares Issued	700,000	700,000
Preferred Stock, Redemption Amount	$ 102	$ 102
Corteva [Member] | EID [Member]
Noncontrolling Interest [Line Items]
Ownership interest in an entity	100.00%