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Short And Long-Term Debt Loss on the Early Extinguishment of Debt (Details) - USD ($) $ in Millions			1 Months Ended	3 Months Ended		9 Months Ended
		Sep. 01, 2023	Aug. 24, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Gain on the early extinguishment of debt	[1]			$ 7	$ 169	$ 7	$ 169
5.75% Senior Notes and 5.25% Senior Notes
Debt Instrument [Line Items]
Gain on the early extinguishment of debt		$ 18	$ 151
[1] Gain on the early extinguishment of debt is recorded in Corporate and Other. The gain on the early extinguishment of debt relates to the repurchases of Unsecured Notes that occurred during the third quarter of 2024, as well as the debt exchange transactions and open market repurchases that occurred during the third quarter of 2023.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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