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Investments (Tables)

12 Months Ended

Dec. 31, 2022

Investments [Abstract]

Investments

			December 31,
			2022						2021
			($ in millions)
Long-term investments:
Equity method investments:
Conrail			$	1,584					$	1,526
TTX Company			918						851
Other			421						420
Total equity method investments			2,923						2,797
COLI at net cash surrender value			752						885
Other investments			19						25
Total long-term investments			$	3,694					$	3,707

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- Definition

Tabular disclosure of investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-URI https://asc.fasb.org/topic&trid=2197064

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-URI https://asc.fasb.org/topic&trid=75115024

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI https://asc.fasb.org/topic&trid=2196928

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-URI https://asc.fasb.org/topic&trid=2196965

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No definition available.

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