UNAUDITED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Condensed Statement of Income Captions [Line Items]
Cumulative translation adjustments, net	$ (5,224)	$ 589
Associates and joint ventures [member]
Condensed Statement of Income Captions [Line Items]
Cumulative translation adjustments, net	$ 839	$ 117

The amount of other comprehensive income, net of tax, related to exchange differences when financial statements of foreign operations are translated. [Refer: Other comprehensive income]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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