| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q1 2024 | $17 B | -$792 M | -4.45% | Mar 31, 2024 | 10-Q | 2024-05-08 |
| Q4 2023 | $17.2 B | $0 | 0% | Dec 31, 2023 | 10-Q | 2024-05-08 |
| Q3 2023 | $16.9 B | -$1.55 B | -8.4% | Sep 30, 2023 | 10-Q | 2023-11-09 |
| Q2 2023 | $17.1 B | -$1.72 B | -9.13% | Jun 30, 2023 | 10-Q | 2023-08-02 |
| Q1 2023 | $17.8 B | -$2.19 B | -10.9% | Mar 31, 2023 | 10-Q | 2023-05-10 |
| Q4 2022 | $17.2 B | -$2.86 B | -14.3% | Dec 31, 2022 | 10-Q | 2024-05-08 |
| Q3 2022 | $18.4 B | -$1.75 B | -8.65% | Sep 30, 2022 | 10-Q | 2022-11-03 |
| Q2 2022 | $18.8 B | -$1.58 B | -7.76% | Jun 30, 2022 | 10-Q | 2022-07-27 |
| Q1 2022 | $20 B | -$316 M | -1.56% | Mar 31, 2022 | 10-Q | 2022-05-03 |
| Q4 2021 | $20 B | -$584 M | -2.83% | Dec 31, 2021 | 10-K | 2024-02-12 |
| Q3 2021 | $20.2 B | -$49 M | -0.24% | Sep 30, 2021 | 10-Q | 2021-10-27 |
| Q2 2021 | $20.4 B | -$4.2 B | -17% | Jun 30, 2021 | 10-Q | 2021-07-28 |
| Q1 2021 | $20.3 B | -$4.19 B | -17.1% | Mar 31, 2021 | 10-Q | 2021-04-28 |
| Q4 2020 | $20.6 B | -$4.22 B | -17% | Dec 31, 2020 | 10-K | 2023-02-10 |
| Q3 2020 | $20.2 B | -$4.43 B | -18% | Sep 30, 2020 | 10-Q | 2020-11-05 |
| Q2 2020 | $24.6 B | -$297 M | -1.19% | Jun 30, 2020 | 10-Q | 2020-08-05 |
| Q1 2020 | $24.5 B | -$332 M | -1.34% | Mar 31, 2020 | 10-Q | 2020-05-07 |
| Q4 2019 | $24.8 B | -$71 M | -0.29% | Dec 31, 2019 | 10-K | 2022-02-09 |
| Q3 2019 | $24.7 B | -$2.93 B | -10.6% | Sep 30, 2019 | 10-Q | 2019-11-07 |
| Q2 2019 | $24.9 B | -$2.74 B | -9.89% | Jun 30, 2019 | 10-Q | 2019-08-07 |
| Q1 2019 | $24.8 B | -$3.64 B | -12.8% | Mar 31, 2019 | 10-Q | 2019-05-02 |
| Q4 2018 | $24.9 B | -$3.5 B | -12.3% | Dec 31, 2018 | 10-K | 2021-02-10 |
| Q3 2018 | $27.6 B | -$11.8 B | -30% | Sep 30, 2018 | 10-Q | 2018-11-01 |
| Q2 2018 | $27.6 B | -$12.4 B | -30.9% | Jun 30, 2018 | 10-Q | 2018-08-02 |
| Q1 2018 | $28.5 B | -$16.6 B | -36.8% | Mar 31, 2018 | 10-Q | 2018-05-03 |
| Q4 2017 | $28.4 B | -$16 B | -36% | Dec 31, 2017 | 10-K | 2020-02-21 |
| Q3 2017 | $39.4 B | -$904 M | -2.24% | Sep 30, 2017 | 6-K | 2017-11-02 |
| Q2 2017 | $40 B | +$19.3 B | +93.4% | Jun 30, 2017 | 6-K | 2017-08-03 |
| Q1 2017 | $45 B | +$24.8 B | +122% | Mar 31, 2017 | 6-K | 2017-05-11 |
| Q4 2016 | $44.4 B | +$25.4 B | +133% | Dec 31, 2016 | 10-K | 2019-02-19 |
| Q3 2016 | $40.3 B | +$21.1 B | +110% | Sep 30, 2016 | 6-K | 2016-11-15 |
| Q2 2016 | $20.7 B | +$1.44 B | +7.49% | Jun 30, 2016 | 6-K | 2016-08-04 |
| Q1 2016 | $20.3 B | +$2.34 B | +13% | Mar 31, 2016 | 6-K | 2016-05-09 |
| Q4 2015 | $19 B | +$617 M | +3.35% | Dec 31, 2015 | 10-K | 2018-02-12 |
| Q3 2015 | $19.2 B | +$454 M | +2.43% | Sep 30, 2015 | 6-K | 2015-10-29 |
| Q2 2015 | $19.3 B | +$309 M | +1.63% | Jun 30, 2015 | 6-K | 2015-07-30 |
| Q1 2015 | $17.9 B | -$1.04 B | -5.5% | Mar 31, 2015 | 6-K | 2015-04-30 |
| Q4 2014 | $18.4 B | -$573 M | -3.02% | Dec 31, 2014 | 20-F | 2017-02-15 |
| Q3 2014 | $18.7 B | -$187 M | -0.99% | Sep 30, 2014 | 6-K | 2014-10-30 |
| Q2 2014 | $18.9 B | +$359 M | +1.93% | Jun 30, 2014 | 6-K | 2014-07-31 |
| Q1 2014 | $19 B | +$333 M | +1.79% | Mar 31, 2014 | 6-K | 2014-05-02 |
| Q4 2013 | $19 B | +$125 M | +0.66% | Dec 31, 2013 | 20-F | 2016-02-11 |
| Q3 2013 | $18.9 B | +$242 M | +1.3% | Sep 30, 2013 | 6-K | 2013-10-31 |
| Q2 2013 | $18.6 B | +$220 M | +1.2% | Jun 30, 2013 | 6-K | 2013-08-01 |
| Q1 2013 | $18.6 B | -$67 M | -0.36% | Mar 31, 2013 | 6-K | 2013-05-02 |
| Q4 2012 | $18.9 B | +$563 M | +3.08% | Dec 31, 2012 | 20-F | 2014-02-10 |
| Q3 2012 | $18.7 B | +$2.88 B | +18.2% | Sep 30, 2012 | 6-K | 2012-11-01 |
| Q2 2012 | $18.4 B | +$2.44 B | +15.3% | Jun 30, 2012 | 6-K | 2012-08-02 |
| Q1 2012 | $18.7 B | +$2.91 B | +18.4% | Mar 31, 2012 | 6-K | 2012-05-09 |
| Q4 2011 | $18.3 B | +$3.06 B | +20.1% | Dec 31, 2011 | 20-F | 2014-02-10 |
| Q3 2011 | $15.8 B | +$218 M | +1.4% | Sep 30, 2011 | 6-K | 2011-11-02 |
| Q2 2011 | $15.9 B | +$3.7 B | +30.3% | Jun 30, 2011 | 6-K | 2011-07-28 |
| Q1 2011 | $15.8 B | +$3.24 B | +25.8% | Mar 31, 2011 | 6-K | 2011-05-11 |
| Q4 2010 | $15.2 B | Dec 31, 2010 | 20-F | 2013-02-12 | ||
| Q3 2010 | $15.6 B | Sep 30, 2010 | 6-K | 2010-11-02 | ||
| Q2 2010 | $12.2 B | Jun 30, 2010 | 6-K | 2010-07-27 | ||
| Q1 2010 | $12.6 B | Mar 31, 2010 | 6-K | 2010-05-04 |