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Investments (Tables)

12 Months Ended

Dec. 31, 2021

Investments [Abstract]

Investments

			December 31,
			2021						2020
			($ in millions)
Long-term investments:
Equity method investments:
Conrail			$	1,526					$	1,446
TTX Company			851						798
Other			420						418
Total equity method investments			2,797						2,662
COLI at net cash surrender value			885						902
Other investments			25						26
Total long-term investments			$	3,707					$	3,590

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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 http://asc.fasb.org/topic&trid=2197064

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

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

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

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No definition available.

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