| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2024 | $17B | -$3.26B | -16.1% | Sep 30, 2024 | 10-Q | 2024-11-05 |
| Q2 2024 | $16.6B | -$3.28B | -16.5% | Jun 30, 2024 | 10-Q | 2024-08-06 |
| Q1 2024 | $16.4B | -$3.04B | -15.6% | Mar 31, 2024 | 10-Q | 2024-04-30 |
| Q4 2023 | $16.3B | -$2.62B | -13.8% | Dec 31, 2023 | 10-Q | 2024-11-05 |
| Q3 2023 | $20.2B | +$1.72B | +9.3% | Sep 30, 2023 | 10-Q | 2023-10-31 |
| Q2 2023 | $19.9B | +$609M | +3.16% | Jun 30, 2023 | 10-Q | 2023-08-01 |
| Q1 2023 | $19.5B | +$642M | +3.41% | Mar 31, 2023 | 10-Q | 2023-05-03 |
| Q4 2022 | $19B | +$586M | +3.19% | Dec 31, 2022 | 10-K | 2024-02-22 |
| Q3 2022 | $18.5B | -$270M | -1.44% | Sep 30, 2022 | 10-Q | 2022-11-03 |
| Q2 2022 | $19.3B | +$888M | +4.82% | Jun 30, 2022 | 10-Q | 2022-08-04 |
| Q1 2022 | $18.8B | +$323M | +1.75% | Mar 31, 2022 | 10-Q | 2022-05-05 |
| Q4 2021 | $18.4B | -$289M | -1.55% | Dec 31, 2021 | 10-K | 2023-02-23 |
| Q3 2021 | $18.8B | -$61M | -0.32% | Sep 30, 2021 | 10-Q | 2021-11-04 |
| Q2 2021 | $18.4B | -$1.04B | -5.34% | Jun 30, 2021 | 10-Q | 2021-08-05 |
| Q1 2021 | $18.5B | -$1.27B | -6.41% | Mar 31, 2021 | 10-Q | 2021-05-06 |
| Q4 2020 | $18.7B | -$2.34B | -11.1% | Dec 31, 2020 | 10-K | 2022-02-24 |
| Q3 2020 | $18.9B | -$1.98B | -9.49% | Sep 30, 2020 | 10-Q | 2020-11-05 |
| Q2 2020 | $19.4B | -$1.3B | -6.25% | Jun 30, 2020 | 10-Q | 2020-08-07 |
| Q1 2020 | $19.8B | -$907M | -4.39% | Mar 31, 2020 | 10-Q | 2020-05-08 |
| Q4 2019 | $21B | +$416M | +2.02% | Dec 31, 2019 | 10-K | 2021-03-03 |
| Q3 2019 | $20.8B | +$521M | +2.57% | Sep 30, 2019 | 10-Q | 2019-11-08 |
| Q2 2019 | $20.7B | -$618M | -2.89% | Jun 30, 2019 | 10-Q | 2019-08-09 |
| Q1 2019 | $20.7B | -$267M | -1.28% | Mar 31, 2019 | 10-Q | 2019-05-13 |
| Q4 2018 | $20.6B | -$286M | -1.37% | Dec 31, 2018 | 10-K | 2020-03-05 |
| Q3 2018 | $20.3B | -$631M | -3.01% | Sep 30, 2018 | 10-Q | 2018-11-13 |
| Q2 2018 | $21.4B | +$468M | +2.24% | Jun 30, 2018 | 10-Q | 2018-08-13 |
| Q1 2018 | $20.9B | -$110M | -0.52% | Mar 31, 2018 | 10-Q | 2018-05-15 |
| Q4 2017 | $20.9B | -$280M | -1.32% | Dec 31, 2017 | 10-K | 2019-03-22 |
| Q3 2017 | $20.9B | -$331M | -1.56% | Sep 30, 2017 | 10-Q | 2017-11-13 |
| Q2 2017 | $20.9B | -$336M | -1.58% | Jun 30, 2017 | 10-Q | 2017-08-08 |
| Q1 2017 | $21.1B | -$674M | -3.1% | Mar 31, 2017 | 10-Q | 2017-05-10 |
| Q4 2016 | $21.1B | -$321M | -1.5% | Dec 31, 2016 | 10-K | 2018-03-12 |
| Q3 2016 | $21.3B | -$1.23B | -5.45% | Sep 30, 2016 | 10-Q | 2016-11-09 |
| Q2 2016 | $21.2B | -$1.19B | -5.3% | Jun 30, 2016 | 10-Q | 2016-08-05 |
| Q1 2016 | $21.7B | -$761M | -3.38% | Mar 31, 2016 | 10-Q | 2016-05-09 |
| Q4 2015 | $21.5B | -$715M | -3.22% | Dec 31, 2015 | 10-K | 2017-03-02 |
| Q3 2015 | $22.5B | -$585M | -2.54% | Sep 30, 2015 | 10-Q | 2015-11-12 |
| Q2 2015 | $22.4B | -$152M | -0.67% | Jun 30, 2015 | 10-Q | 2015-08-07 |
| Q1 2015 | $22.5B | -$692M | -2.99% | Mar 31, 2015 | 10-Q | 2015-05-11 |
| Q4 2014 | $22.2B | -$1.03B | -4.45% | Dec 31, 2014 | 10-K | 2016-03-01 |
| Q3 2014 | $23.1B | -$406M | -1.73% | Sep 30, 2014 | 10-Q | 2014-11-07 |
| Q2 2014 | $22.6B | -$907M | -3.86% | Jun 30, 2014 | 10-Q | 2014-08-08 |
| Q1 2014 | $23.2B | -$690M | -2.89% | Mar 31, 2014 | 10-Q | 2014-05-15 |
| Q4 2013 | $23.2B | -$729M | -3.04% | Dec 31, 2013 | 10-K | 2015-02-27 |
| Q3 2013 | $23.5B | -$895M | -3.67% | Sep 30, 2013 | 10-Q | 2013-11-13 |
| Q2 2013 | $23.5B | -$1.69B | -6.73% | Jun 30, 2013 | 10-Q | 2013-08-14 |
| Q1 2013 | $23.9B | -$824M | -3.34% | Mar 31, 2013 | 10-Q | 2013-05-13 |
| Q4 2012 | $23.9B | -$862M | -3.48% | Dec 31, 2012 | 10-K | 2014-03-07 |
| Q3 2012 | $24.4B | Sep 30, 2012 | 10-Q | 2012-11-13 | ||
| Q2 2012 | $25.2B | Jun 30, 2012 | 10-Q | 2012-08-14 | ||
| Q1 2012 | $24.7B | Mar 31, 2012 | 10-Q | 2012-05-15 | ||
| Q4 2011 | $24.8B | Dec 31, 2011 | 10-K | 2013-03-12 |