Number of members on MWCC Executive Committee responsible for oveseeing the affairs of MWCC.

No definition available.

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- Definition

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

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- Definition

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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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Variable Interest Entities (VIEs) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	May 31, 2019	Dec. 31, 2016
Variable Interest Entity [Line Items]
Equity in earnings (losses) of affiliates	$ 173	$ 265	$ 361	$ 473
MWCC LLC [Member]
Variable Interest Entity [Line Items]
Term loan backed by a letter of credit						$ 154
MWCC LLC [Member]
Variable Interest Entity [Line Items]
Ownership percentage in equity investment			10.00%
Book value of equity method investment	29		$ 29		$ 30
Equity in earnings (losses) of affiliates	$ (95)
MWCC LLC [Member] \| MWCC LLC [Member]
Variable Interest Entity [Line Items]
MWCC Board Members			ten
MWCC LLC [Member] \| Letter of Credit [Member]
Variable Interest Entity [Line Items]
Debt at face value - letter of credit						$ 22