OPERATING SEGMENTS - Assets by Geographic Area (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Assets	$ 187,788	$ 198,874
Continuing operations
Segment Reporting Information [Line Items]
Assets	184,896	195,697	$ 215,463
Continuing operations | U.S.
Segment Reporting Information [Line Items]
Assets	126,005	130,956
Continuing operations | Total Non-U.S.
Segment Reporting Information [Line Items]
Assets	58,892	64,741
Continuing operations | Europe
Segment Reporting Information [Line Items]
Assets	36,603	42,213
Continuing operations | Asia
Segment Reporting Information [Line Items]
Assets	11,317	11,534
Continuing operations | Americas
Segment Reporting Information [Line Items]
Assets	6,405	6,406
Continuing operations | Other Global
Segment Reporting Information [Line Items]
Assets	$ 4,566	$ 4,588