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Restructuring Charges
 12 Months Ended
Dec. 31, 2019
Restructuring and Related Activities [Abstract]  
Restructuring Charges
11. Restructuring, Facility Consolidation and Severance Charges

Due to the highly competitive nature of our business and the continuing losses we incurred over the last few years, we continue to reduce our overall cost structure and workforce to better align our business with current activity levels. Our current and historical restructuring plans include workforce reductions, organization restructurings, facility consolidations and other cost reduction measures and efficiency initiatives across all of our geographic regions.

During the 2019 Predecessor Period, we recognized restructuring charges of $189 million, which include severance charges of $53 million and other restructuring charges of $99 million and restructuring related asset charges of $37 million.

During 2018, we recognized restructuring charges of $126 million, which include severance charges of $61 million, other restructuring charges of $59 million and restructuring related asset charges of $6 million.

During 2017, we recognized restructuring charges of $183 million, which include severance charges of $109 million, other restructuring charges of $62 million and restructuring related asset charges of $12 million.

The following table presents total restructuring charges by reporting segment and Corporate for the Successor Period and the Predecessor Period in 2019 and the years ended December 31, 2018 and 2017.
 
Western Hemisphere
Eastern Hemisphere
Corporate
Total
Successor Period - 2019
$
—

$
—

$
—

$
—

Predecessor Period - 2019
84

50

55

189

2018
27

45

54

126

2017
70

77

36

183

 
 
 
 
The following table presents total restructuring accrual activity charges, payments and other changes for the Successor and Predecessor Periods in 2019 and the years ended December 31, 2018 and 2017. In the first quarter of 2019, we reclassified $12 million of restructuring cease-use liability to the initial ROU asset in accordance with the adoption of Topic 842.
(Dollars in millions)
Accrued Balance at Beginning of Period
 
Charges
 
Cash Payments
 
Other 
 
Accrued Balance at End of Period
Successor - 2019
$
66

 
$
—

 
$
—

 
$
—

 
$
66

Predecessor - 2019
$
59

 
$
152

 
$
(120
)
 
$
(25
)
 
$
66

2018
$
61

 
$
120

 
$
(109
)
 
$
(13
)
 
$
59

2017
$
86

 
$
171

 
$
(167
)
 
$
(29
)
 
$
61