Equity method investment and joint ventures.

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Value of credit facility outstanding as distinguished from maximum borrowing capacity.

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Amount of a long-term obligation that has been refinanced.

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For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Investments, Loans and Long-Term Receivables - Textual (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Sep. 30, 2018	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2012
Equity method investments
Loan balance with affiliated company		$ 270		$ 339
APLNG [Member]
Equity method investments
Project finance facility, maximum borrowing capacity					$ 8,500
Line Of Credit Facility Value Outstanding		6,500
Book value of equity method investment		$ 7,229
Long Term Debt Refinanced Amount			$ 3,200
Line of Credit Facility, Frequency of Payments		bi-annual
APLNG [Member] \| Export-Import Bank of the US [Member]
Equity method investments
Project finance facility, maximum borrowing capacity					2,900
APLNG [Member] \| Export-Import Bank of China [Member]
Equity method investments
Project finance facility, maximum borrowing capacity					2,700
Early Repayment of Senior Debt	$ 1,400		1,000
Line of Credit Facility, Frequency of Payments		bi-annual
APLNG [Member] \| Australian and International Commercial Bank Syndicate [Member]
Equity method investments
Project finance facility, maximum borrowing capacity					$ 2,900
Early Repayment of Senior Debt			2,200
APLNG [Member] \| U S Private Placement Bond [Member]
Equity method investments
Project finance facility, maximum borrowing capacity	$ 1,400		600
Line of Credit Facility, Frequency of Payments		bi-annual
APLNG [Member] \| Commerical Banks [Member]
Equity method investments
Project finance facility, maximum borrowing capacity			$ 2,600
Line of Credit Facility, Frequency of Payments		bi-annual
QG3 [Member]
Equity method investments
Loan balance with affiliated company		$ 270