Financial Instruments (Narrative) (Details) $ in Millions	1 Months Ended	12 Months Ended
Aug. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) contract	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Number of foreign currency derivatives held \| contract		0	0
Repayments of long-term debt \| $	$ 1,100	$ 1,105	$ 6,542	$ 1,000

Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Name:	us-gaap_NumberOfForeignCurrencyDerivativesHeld
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant