XML 160 R46.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Purchase Obligations Future minimum payments required under these commitments as of December 31, 2019 are as follows:
 
Purchase Obligations
(Dollars in millions)
 
2020
$
1,065

2021
448

2022
755

2023
63

2024
40

Thereafter
37

Total
$
2,408