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Fair Value of Financial Instruments (Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Securities [Abstract]
Financial investments	$ 181	$ 208
Fair Value, Measurements, Recurring
Debt Securities [Abstract]
Financial investments	181	208
Fair Value, Measurements, Recurring | European government debt securities
Debt Securities [Abstract]
Financial investments	147	144
Fair Value, Measurements, Recurring | Corporate debt securities
Debt Securities [Abstract]
Financial investments	7	20
Fair Value, Measurements, Recurring | State-owned enterprises and municipal securities
Debt Securities [Abstract]
Financial investments	7	11
Fair Value, Measurements, Recurring | Swedish mortgage bonds
Debt Securities [Abstract]
Financial investments	20	21
Fair Value, Measurements, Recurring | Time deposits
Debt Securities [Abstract]
Financial investments		12
Fair Value, Measurements, Recurring | Level 1
Debt Securities [Abstract]
Financial investments	147	144
Fair Value, Measurements, Recurring | Level 1 | European government debt securities
Debt Securities [Abstract]
Financial investments	147	144
Fair Value, Measurements, Recurring | Level 1 | Corporate debt securities
Debt Securities [Abstract]
Financial investments	0	0
Fair Value, Measurements, Recurring | Level 1 | State-owned enterprises and municipal securities
Debt Securities [Abstract]
Financial investments	0	0
Fair Value, Measurements, Recurring | Level 1 | Swedish mortgage bonds
Debt Securities [Abstract]
Financial investments	0	0
Fair Value, Measurements, Recurring | Level 1 | Time deposits
Debt Securities [Abstract]
Financial investments		0
Fair Value, Measurements, Recurring | Level 2
Debt Securities [Abstract]
Financial investments	34	64
Fair Value, Measurements, Recurring | Level 2 | European government debt securities
Debt Securities [Abstract]
Financial investments	0	0
Fair Value, Measurements, Recurring | Level 2 | Corporate debt securities
Debt Securities [Abstract]
Financial investments	7	20
Fair Value, Measurements, Recurring | Level 2 | State-owned enterprises and municipal securities
Debt Securities [Abstract]
Financial investments	7	11
Fair Value, Measurements, Recurring | Level 2 | Swedish mortgage bonds
Debt Securities [Abstract]
Financial investments	20	21
Fair Value, Measurements, Recurring | Level 2 | Time deposits
Debt Securities [Abstract]
Financial investments		12
Fair Value, Measurements, Recurring | Level 3
Debt Securities [Abstract]
Financial investments	0	0
Fair Value, Measurements, Recurring | Level 3 | European government debt securities
Debt Securities [Abstract]
Financial investments	0	0
Fair Value, Measurements, Recurring | Level 3 | Corporate debt securities
Debt Securities [Abstract]
Financial investments	0	0
Fair Value, Measurements, Recurring | Level 3 | State-owned enterprises and municipal securities
Debt Securities [Abstract]
Financial investments	0	0
Fair Value, Measurements, Recurring | Level 3 | Swedish mortgage bonds
Debt Securities [Abstract]
Financial investments	$ 0	0
Fair Value, Measurements, Recurring | Level 3 | Time deposits
Debt Securities [Abstract]
Financial investments		$ 0

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562

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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section 45
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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