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FINANCE COSTS, NET
 12 Months Ended
Dec. 31, 2019
Finance Costs [Abstract]  
FINANCE COSTS, NET
FINANCE COSTS, NET 
For the years ended December 31
2019

2018

Interest1

$435


$452

Amortization of debt issue costs
2

5

Amortization of discount (premium)
(1
)
(1
)
Interest on lease liabilities
6

—

Gain on interest rate hedges
(6
)
(3
)
Interest capitalized2
(14
)
(9
)
Accretion
75

87

Loss on debt extinguishment3
3

29

Finance income
(31
)
(15
)
Total

$469


$545

1 
Interest in the consolidated statements of cash flow is presented on a cash basis. In 2019, cash interest paid was $333 million (2018: $350 million).
2 
For the year ended December 31, 2019, the general capitalization rate was 6.30% (2018: 6.10%).
3 
2018 loss arose from a make-whole repurchase of the outstanding principal on the 4.40% notes due 2021.