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Fair Value of Financial Instruments - Derivative Fair Value Measurements, Narrative (Details) - USD ($) $ in Millions	6 Months Ended	9 Months Ended
	Jun. 30, 2021	Sep. 30, 2021
Fair Value Disclosures [Abstract]
Total derivative assets valued with prices provided by models and other valuation techniques (as a percent)		5.00%
Total derivative liabilities valued with prices provided by models and other valuation techniques (as a percent)		3.00%
Increase in operating revenue		$ 7
Increase within cost of operations	$ 2

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- Definition

Credit Reserve Decrease, Increase in Operating Revenue

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- Definition

This element represents the portion of total fair value of all derivative assets, which are valued using various valuation techniques including internal models based on a fundamental analysis of the market and extrapolation of observable market data with similar characteristics.

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No definition available.

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- Definition

Derivative Liability, Fair Value Determined Using Valuation Techniques, Percentage

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No definition available.

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- Definition

Increase In Credit Reserve, Increase In Cost Of Revenue

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No definition available.

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Data Type:	xbrli:monetaryItemType
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No definition available.

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