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Restructuring and Transaction Costs (Schedule of Restructuring and Transaction Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost And Reserve [Line Items]
Restructuring costs	$ 0	$ 0	$ 258
Restructuring Costs [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs	0	0	210
Transaction Costs [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring costs	$ 0	$ 0	$ 48

X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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