Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income attributable to common shareowners:
Income from continuing operations attributable to common shareowners	$ 1,304	$ 1,040	$ 2,407	$ 1,812
Loss from discontinued operations attributable to common shareowners	0	(8)	(19)	(27)
Net income attributable to common shareowners	$ 1,304	$ 1,032	$ 2,388	$ 1,785
Basic weighted average number of shares outstanding	1,479.2	1,506.4	1,482.9	1,508.7
Stock awards and equity units (share equivalent)	10.4	7.1	10.8	5.0
Diluted weighted average number of shares outstanding	1,489.6	1,513.5	1,493.7	1,513.7
Earnings (loss) Per Share attributable to common shareowners - Basic:
Income from continuing operations	$ 0.88	$ 0.69	$ 1.62	$ 1.20
Loss from discontinued operations	0	0	(0.01)	(0.02)
Earnings Per Share, Basic	0.88	0.69	1.61	1.18
Earnings (loss) Per Share attributable to common shareowners - Diluted:
Income from continuing operations	0.88	0.69	1.61	1.20
Loss from discontinued operations	0	(0.01)	(0.01)	(0.02)
Earnings Per Share, Diluted	$ 0.88	$ 0.68	$ 1.60	$ 1.18
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3.4	11.2	5.4	19.0