CONSOLIDATED CONDENSED STATEMENTS OF SHAREOWNER'S EQUITY - USD ($) $ in Millions	Total	Cumulative effect adjustments	Preferred Stock	Common Stock	Additional Paid-In-Capital	Retained Earnings	Retained Earnings Cumulative effect adjustments	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2019	$ 11,274	$ (138)	$ 0	$ 5	$ 8,405	$ 1,451	$ (138)	$ 1,413
Increase (decrease) in shareowner's equity
Net income	144					144
Other comprehensive income (loss)	1,351							1,351
Comprehensive income (loss)	1,495
Capital contributions	100				100
Ending balance at Sep. 30, 2020	12,731		0	5	8,505	1,457		2,764
Beginning balance at Jun. 30, 2020	12,061		0	5	8,505	1,326		2,225
Increase (decrease) in shareowner's equity
Net income	131					131
Other comprehensive income (loss)	539							539
Comprehensive income (loss)	670
Ending balance at Sep. 30, 2020	12,731		0	5	8,505	1,457		2,764
Beginning balance at Dec. 31, 2020	13,625		0	5	8,525	1,547		3,548
Increase (decrease) in shareowner's equity
Net income	313					313
Other comprehensive income (loss)	(1,005)							(1,005)
Comprehensive income (loss)	(692)
Ending balance at Sep. 30, 2021	12,933		0	5	8,525	1,860		2,543
Beginning balance at Jun. 30, 2021	13,154		0	5	8,525	1,811		2,813
Increase (decrease) in shareowner's equity
Net income	49					49
Other comprehensive income (loss)	(270)							(270)
Comprehensive income (loss)	(221)
Ending balance at Sep. 30, 2021	$ 12,933		$ 0	$ 5	$ 8,525	$ 1,860		$ 2,543