Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Amount of long-term debt and lease obligation, classified as noncurrent.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Debt (Details) ¥ in Millions, ¥ in Billions	3 Months Ended		9 Months Ended
Debt (Details) ¥ in Millions, ¥ in Billions	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2020 CNY (¥)	Sep. 30, 2020 JPY (¥)	Sep. 30, 2020 CNY (¥)	Sep. 09, 2020 USD ($)	Dec. 31, 2019 USD ($)
Proceeds from loan facilities		$ 349,000,000
Long-term debt	$ 7,822,000,000		$ 7,822,000,000					$ 7,729,000,000
Yen-denominated Debentures, 1.153%, due 2031 [Member] \| Unsecured Debt [Member]
Debt Instrument, Face Amount \| ¥					¥ 31.3
Debt Instrument, Interest Rate, Stated Percentage	1.153%		1.153%		1.153%	1.153%
Debt Instrument, Term			12 years	12 years
Yen-denominated Debentures, 1.513%, due 2039 [Member] \| Unsecured Debt [Member]
Debt Instrument, Face Amount \| ¥					¥ 5.9
Debt Instrument, Interest Rate, Stated Percentage	1.513%		1.513%		1.513%	1.513%
Debt Instrument, Term			20 years	20 years
Variable Rate Loan Facility [Member] \| Unsecured Debt [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 150,000,000		$ 150,000,000			¥ 1,050
Debt Instrument, Term			5 years	5 years
Variable Rate Loan Facility B [Member] \| Unsecured Debt [Member]
Line of Credit Facility, Maximum Borrowing Capacity	105,000,000		$ 105,000,000			¥ 749
Debt Instrument, Term			5 years	5 years
Incremental Liquidity Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 232,000,000		$ 232,000,000		¥ 25.0
Debt Instrument, Term	3 years
Revolving Credit Facility [Member]
Proceeds from loan facilities			212,000,000	¥ 1,491
Commercial Paper [Member]
Commercial paper	$ 0		0					0
Significant Other Observable Inputs (Level 2) [Member]
Fair value of long-term debt	$ 9,200,000,000		$ 9,200,000,000					$ 8,500,000
HSG [Member]
Debt consolidated							$ 175,000,000