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Property, Plant and Equipment, net (Notes)
 12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, net
5.  Property, Plant and Equipment, net
 
As of December 31, 2024 and 2023, our property, plant and equipment, net consisted of the following:
 
Straight-Line
Estimated Useful Life
Composite
Depreciation Rates		December 31,
 20242023
(Years) (%)(In millions)
Interstate Natural Gas FERC-Regulated
Pipelines (Natural gas)
1.09-6.67
$12,376 $12,019 
Equipment (Natural gas)
1.09-6.67
9,488 9,190 
Other(a)
0.00-33
1,143 1,169 
Accumulated depreciation, depletion and amortization(10,712)(10,301)
Depreciable assets12,295 12,077 
Land51 53 
Construction work in process568 394 
Total interstate natural gas FERC-regulated12,914 12,524 
Other
Pipelines (Natural gas, liquids, refined products, crude oil and CO2)
5-40
0.09-33.33
8,933 9,631 
Equipment (Natural gas, liquids, refined products, crude oil, CO2 and terminals)
5-40
0.09-33.33
20,243 19,974 
Other(a)
3-10
0.00-33.33
5,587 5,493 
Accumulated depreciation, depletion and amortization(11,470)(11,774)
Depreciable assets23,293 23,324 
Land786 798 
Construction work in process1,020 651 
Total other25,099 24,773 
Property, plant and equipment, net$38,013 $37,297 
(a)Includes general plant, general structures and buildings, land rights-of-way, computer and communication equipment, intangibles, vessels, transmix products, linefill, and miscellaneous property, plant and equipment.

Depreciation, depletion and amortization expense for property, plant and equipment was $2,127 million, $2,020 million and $1,905 million for the years ended December 31, 2024, 2023 and 2022, respectively.