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Investments	3 Months Ended
Investments	Mar. 31, 2023
Investments [Abstract]
Investments	Investments Investment in Conrail Through a limited liability company, we and CSX Corporation (CSX) jointly own Conrail Inc. (Conrail), whose primary subsidiary is Consolidated Rail Corporation (CRC). We have a 58% economic and 50% voting interest in the jointly-owned entity, and CSX has the remainder of the economic and voting interests. Our investment in Conrail was $1.6 billion at March 31, 2023 and December 31, 2022. CRC owns and operates certain properties (the Shared Assets Areas) for the joint and exclusive benefit of Norfolk Southern Railway Company (NSR) and CSX Transportation, Inc. (CSXT). The costs of operating the Shared Assets Areas are borne by NSR and CSXT based on usage. In addition, NSR and CSXT pay CRC a fee for access to the Shared Assets Areas. “Purchased services and rents” and “Fuel” include expenses payable to CRC for operation of the Shared Assets Areas totaling $45 million and $38 million for the first quarters of 2023 and 2022, respectively. Our equity in Conrail’s earnings, net of amortization, was $16 million and $14 million for the first quarters of 2023 and 2022, respectively. These amounts partially offset the costs of operating the Shared Assets Areas and are included in “Purchased services and rents.” “Other liabilities” includes $534 million at both March 31, 2023 and December 31, 2022 for long-term advances from Conrail, maturing in 2050 that bear interest at an average rate of 1.31%. Investment in TTX We and seven other North American railroads collectively own TTX Company (TTX), a railcar pooling company that provides its owner-railroads with standardized fleets of intermodal, automotive, and general use railcars at stated rates. We have a 19.78% ownership interest in TTX. Expenses incurred for use of TTX equipment are included in “Purchased services and rents.” These expenses amounted to $66 million and $64 million for the first quarters of 2023 and 2022, respectively. Our equity in TTX’s earnings partially offsets these costs and totaled $9 million and $10 million for the first quarters of 2023 and 2022, respectively.