| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | For the Years Ended December 31, |
| | | 2020 | | 2019 | | 2018 | | 2017 | | 2016 |
| Earnings: | | | | | | | | | | |
| Income before taxes and equity income | | $ | (505) | | | $ | 1,170 | | | $ | 1,466 | | | $ | 659 | | | $ | (22) | |
| Add: | | | | | | | | | | |
| Dividends received from unconsolidated affiliates | | 32 | | | 15 | | | 47 | | | 49 | | | 63 | |
| Fixed Charges | | 734 | | | 857 | | | 873 | | | 968 | | | 1,052 | |
| Amortization of capitalized interest | | 14 | | | 15 | | | 13 | | | 15 | | | 20 | |
| Less: | | | | | | | | | | |
| Interest capitalized | | (7) | | | (5) | | | (6) | | | (7) | | | (7) | |
| Total earnings | | $ | 268 | | | $ | 2,052 | | | $ | 2,393 | | | $ | 1,684 | | | $ | 1,106 | |
| | | | | | | | | | |
| Fixed charges: | | | | | | | | | | |
| Interest expense inclusive of amortized premiums, discounts and capitalized expenses related to indebtedness | | $ | 678 | | | $ | 798 | | | $ | 812 | | | $ | 940 | | | $ | 1,026 | |
| Interest capitalized | | 7 | | | 5 | | | 6 | | | 7 | | | 7 | |
| Estimate of the interest component of rental expense | | 49 | | | 54 | | | 55 | | | 21 | | | 19 | |
| Total fixed charges | | $ | 734 | | | $ | 857 | | | $ | 873 | | | $ | 968 | | | $ | 1,052 | |
| | | | | | | | | | |
| Ratio of earnings to fixed charges | | 0.37 | | | 2.39 | | | 2.74 | | | 1.74 | | | 1.05 | |