Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net income (loss) attributable to common shareowners:
Net income (loss) from continuing operations attributable to common shareowners	$ (984)	$ 1,387	$ 1,769	$ 3,794
Loss from discontinued operations attributable to common shareowners	0	0	0	(19)
Net income (loss) attributable to common shareowners	$ (984)	$ 1,387	$ 1,769	$ 3,775
Basic weighted average number of shares outstanding	1,448.1	1,470.1	1,455.7	1,478.7
Stock awards and equity units (share equivalent)	0.0	9.2	10.2	10.2
Diluted weighted average number of shares outstanding	1,448.1	1,479.3	1,465.9	1,488.9
Earnings (loss) Per Share attributable to common shareowners - Basic:
Income (loss) from continuing operations	$ (0.68)	$ 0.94	$ 1.22	$ 2.57
Loss from discontinued operations	0	0	0	(0.02)
Earnings Per Share, Basic	(0.68)	0.94	1.22	2.55
Earnings (loss) Per Share attributable to common shareowners - Diluted:
Income (loss) from continuing operations	(0.68)	0.94	1.21	2.55
Loss from discontinued operations	0	0	0	(0.01)
Earnings Per Share, Diluted	$ (0.68)	$ 0.94	$ 1.21	$ 2.54
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	20.5	10.4	7.0	7.1