Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Net income attributable to common shareowners:
Income from continuing operations attributable to common shareowners	$ 772	$ 438
Loss from discontinued operations attributable to common shareowners	(19)	(521)
Net income attributable to common shareowners	$ 753	$ (83)
Basic weighted average number of shares outstanding	1,511.1	858.4
Stock awards and equity units (share equivalent)	3.0	7.4
Diluted weighted average number of shares outstanding	1,514.1	865.8
Earnings (loss) Per Share attributable to common shareowners - Basic:
Income from continuing operations	$ 0.51	$ 0.51
Loss from discontinued operations	(0.01)	(0.61)
Earnings Per Share, Basic	0.50	(0.10)
Earnings (loss) Per Share attributable to common shareowners - Diluted:
Income from continuing operations	0.51	0.50
Loss from discontinued operations	(0.01)	(0.60)
Earnings Per Share, Diluted	$ 0.50	$ (0.10)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	26.7	9.3

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.

+ References

No definition available.