Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020		Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019
Common Dividends (Per Share)	$ 0.22		$ 0.22	$ 0.22	$ 0.20	$ 0.20	$ 0.20
Preferred Dividends (Per Share)	$ 10,625		$ 10,625	$ 10,625	$ 10,625	$ 10,625	$ 10,625
Other, net	$ 91	[1]	$ (17)	$ (7)	$ (2)	$ (28)	$ (134)	[2]
Accumulated other comprehensive loss, net of tax	(1,134)
Accounting Standards Update 2014-09 [Member] | Revision of Prior Period, Accounting Standards Update, Adjustment [Member]
Accumulated other comprehensive loss					53
Accumulated other comprehensive loss, net of tax					$ (186)
Non-controlling Interests [Member]
Other, net	107	[1]	$ (11)			$ (16)	$ (1)	[2]
Non-controlling Interests [Member] | HSG [Member]
Other, net	$ 102

[1] Non-controlling interests included $102 million related to the consolidation of Hemlock Semiconductor Group (“HSG”). Refer to Note 4 (HSG Transactions) to the consolidated financial statements for more information.

[2] Adjustments to beginning retained earnings include the effect of the accounting change were recorded upon adoption of the new standard for reclassification of stranded tax effects in accumulated other comprehensive income in the amount of $53 million, and a reduction of $186 million, net of tax, effect from an equity affiliate’s adoption of the new revenue standard.