Other Income and Expense - Other Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020		Mar. 31, 2019
Schedule of Other Nonoperating Income [Line Items]
Other Nonoperating Income	$ 45		$ 30
Other Income [Member]
Schedule of Other Nonoperating Income [Line Items]
Gain (Loss) on Disposition of Other Assets	43	[1]	0
Gain on insurance proceeds (2)	0		23	[2]
Other income	2		7
Other Nonoperating Income	$ 45		$ 30

[1] Primarily associated with the gain on sale of Redondo Beach land at Southland. See Note 17—Held-for-Sale and Dispositions for further information.

[2] Associated with recoveries for property damage at the Andres facility in the Dominican Republic from a lightning incident in September 2018.