XML 146 R94.htm IDEA: XBRL DOCUMENT v3.21.1
Equity Accounted Investees, Other Investments and Non-Current Accounts Receivable - Summary of Combined Condensed Statement of Financial Position (Detail) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Disclosure of associates [line items]    
Current assets $ 4,235 $ 4,579
Non-current assets 23,190 24,784
Total assets 27,425 29,363
Current liabilities 5,352 5,409
Non-current liabilities 13,121 13,130
Total liabilities 18,473 18,539
Total net assets 8,952 10,824
Associates [member]    
Disclosure of associates [line items]    
Current assets 1,240 982
Non-current assets 1,662 1,757
Total assets 2,902 2,739
Current liabilities 496 326
Non-current liabilities 766 898
Total liabilities 1,262 1,224
Total net assets $ 1,640 $ 1,515