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Network
2317301 - Disclosure - Asset Retirement Obligations (Tables)
(http://www.ussteel.com/role/AssetRetirementObligationsTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001163302 (http://www.sec.gov/CIK)
Asset Retirement Obligation Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Asset Retirement Obligation Disclosure [Abstract]
 
Changes in Carrying Values of Asset Retirement Obligations
The following table reflects changes in the carrying values of AROs for the years ended December 31, 2016 and 2015:
 
 
December 31,
 
(In millions)
 
2016
 
2015
 
Balance at beginning of year
 
$
89

 
$
48

 
Additional obligations incurred
 
2

 
45

(a) 
Obligations settled
 
(15
)
 
(6
)
 
Foreign currency translation effects
 
—

 
(1
)
 
Accretion expense
 
3

 
3

 
Balance at end of period
 
$
79

 
$
89

 
(a) Additional AROs in 2015 relate to the shutdown of the coke production facilities at Gary Works and Granite City Works and the Fairfield Flat-Rolled Operations.