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MAGELLAN ACQUISITION - Acquisition Related Transaction Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Business Combination, Separately Recognized Transactions [Line Items]
Transaction costs	$ 123	$ 0	$ 133	$ 0
Interest expense	215	$ 167	561	$ 510
Magellan Acquisition
Business Combination, Separately Recognized Transactions [Line Items]
Transaction costs	123		133
Interest expense	13		21
Total	$ 136		$ 154

X

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs which have been expensed.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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