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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Change in fair value of derivatives, tax	$ (3)	$ (31)	$ (25)	$ (17)
Derivative amounts reclassified to net income, tax	4	(16)	14	(57)
Change in retirement and other postretirement benefit plan obligations, tax	(1)	(1)	(1)	(3)
Other comprehensive income (loss) of unconsolidated affiliates, tax	$ 0	$ (1)	$ 1	$ (5)

X

- Definition

Other Comprehensive Income (Loss), Portion Attributable to Equity Method Investments, Tax

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- Definition

Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482790/220-10-45-12

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Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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-Topic 220
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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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