| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q2 2024 | $18.4B | -$1.49B | -7.48% | Jun 30, 2024 | 10-Q | 2024-08-06 |
| Q1 2024 | $18.6B | -$1.15B | -5.84% | Mar 31, 2024 | 10-Q | 2024-04-30 |
| Q4 2023 | $19.8B | -$587M | -2.88% | Dec 31, 2023 | 10-Q | 2024-08-06 |
| Q3 2023 | $19.7B | -$2.02B | -9.3% | Sep 30, 2023 | 10-Q | 2023-10-31 |
| Q2 2023 | $19.9B | -$8.07B | -28.8% | Jun 30, 2023 | 10-Q | 2023-08-01 |
| Q1 2023 | $19.7B | -$8.65B | -30.5% | Mar 31, 2023 | 10-Q | 2023-05-02 |
| Q4 2022 | $20.4B | -$7.01B | -25.6% | Dec 31, 2022 | 10-K | 2024-02-22 |
| Q3 2022 | $21.8B | -$5.5B | -20.2% | Sep 30, 2022 | 10-Q | 2022-11-03 |
| Q2 2022 | $28B | -$609M | -2.13% | Jun 30, 2022 | 10-Q | 2022-08-03 |
| Q1 2022 | $28.4B | +$798M | +2.89% | Mar 31, 2022 | 10-Q | 2022-05-04 |
| Q4 2021 | $27.4B | -$1.98B | -6.74% | Dec 31, 2021 | 10-K | 2023-02-23 |
| Q3 2021 | $27.3B | -$3.85B | -12.4% | Sep 30, 2021 | 10-Q | 2021-11-03 |
| Q2 2021 | $28.6B | -$2.84B | -9.04% | Jun 30, 2021 | 10-Q | 2021-08-04 |
| Q1 2021 | $27.6B | -$5.88B | -17.6% | Mar 31, 2021 | 10-Q | 2021-05-06 |
| Q4 2020 | $29.4B | -$2.98B | -9.21% | Dec 31, 2020 | 10-K | 2022-02-24 |
| Q3 2020 | $31.1B | -$2.28B | -6.82% | Sep 30, 2020 | 10-Q | 2020-11-05 |
| Q2 2020 | $31.4B | -$1.78B | -5.36% | Jun 30, 2020 | 10-Q | 2020-08-06 |
| Q1 2020 | $33.5B | -$1.38B | -3.95% | Mar 31, 2020 | 10-Q | 2020-05-07 |
| Q4 2019 | $32.4B | -$3.02B | -8.52% | Dec 31, 2019 | 10-K | 2021-02-25 |
| Q3 2019 | $33.4B | -$2.37B | -6.62% | Sep 30, 2019 | 10-Q | 2019-11-07 |
| Q2 2019 | $33.2B | -$3.69B | -9.99% | Jun 30, 2019 | 10-Q | 2019-08-08 |
| Q1 2019 | $34.9B | -$2.08B | -5.64% | Mar 31, 2019 | 10-Q | 2019-05-10 |
| Q4 2018 | $35.4B | -$1.87B | -5.03% | Dec 31, 2018 | 10-K | 2020-02-28 |
| Q3 2018 | $35.7B | +$10.9B | +43.8% | Sep 30, 2018 | 10-Q | 2018-11-09 |
| Q2 2018 | $36.9B | +$12B | +48.2% | Jun 30, 2018 | 10-Q | 2018-08-09 |
| Q1 2018 | $36.9B | +$18.8B | +103% | Mar 31, 2018 | 10-Q | 2018-05-10 |
| Q4 2017 | $37.3B | +$19.1B | +105% | Dec 31, 2017 | 10-K | 2019-03-11 |
| Q3 2017 | $24.9B | +$6.67B | +36.7% | Sep 30, 2017 | 10-Q | 2017-11-09 |
| Q2 2017 | $24.9B | +$6.72B | +37% | Jun 30, 2017 | 10-Q | 2017-08-07 |
| Q1 2017 | $18.2B | -$1.33B | -6.81% | Mar 31, 2017 | 10-Q | 2017-05-05 |
| Q4 2016 | $18.2B | -$537M | -2.87% | Dec 31, 2016 | 10-K | 2018-03-01 |
| Q3 2016 | $18.2B | -$320M | -1.73% | Sep 30, 2016 | 10-Q | 2016-11-04 |
| Q2 2016 | $18.2B | -$669M | -3.55% | Jun 30, 2016 | 10-Q | 2016-08-04 |
| Q1 2016 | $19.5B | -$746M | -3.68% | Mar 31, 2016 | 10-Q | 2016-05-05 |
| Q4 2015 | $18.7B | -$1.23B | -6.17% | Dec 31, 2015 | 10-K | 2017-02-23 |
| Q3 2015 | $18.5B | -$1.48B | -7.4% | Sep 30, 2015 | 10-Q | 2015-11-05 |
| Q2 2015 | $18.8B | -$937M | -4.74% | Jun 30, 2015 | 10-Q | 2015-08-06 |
| Q1 2015 | $20.3B | +$440M | +2.22% | Mar 31, 2015 | 10-Q | 2015-05-06 |
| Q4 2014 | $20B | -$228M | -1.13% | Dec 31, 2014 | 10-K | 2016-02-25 |
| Q3 2014 | $20B | -$409M | -2.01% | Sep 30, 2014 | 10-Q | 2014-11-06 |
| Q2 2014 | $19.8B | -$512M | -2.52% | Jun 30, 2014 | 10-Q | 2014-08-07 |
| Q1 2014 | $19.8B | +$219M | +1.12% | Mar 31, 2014 | 10-Q | 2014-05-09 |
| Q4 2013 | $20.2B | +$781M | +4.03% | Dec 31, 2013 | 10-K | 2015-02-24 |
| Q3 2013 | $20.4B | +$883M | +4.53% | Sep 30, 2013 | 10-Q | 2013-11-08 |
| Q2 2013 | $20.3B | +$601M | +3.05% | Jun 30, 2013 | 10-Q | 2013-08-08 |
| Q1 2013 | $19.6B | -$1.07B | -5.19% | Mar 31, 2013 | 10-Q | 2013-05-10 |
| Q4 2012 | $19.4B | -$1.96B | -9.16% | Dec 31, 2012 | 10-K | 2014-02-27 |
| Q3 2012 | $19.5B | -$1.63B | -7.73% | Sep 30, 2012 | 10-Q | 2012-11-08 |
| Q2 2012 | $19.7B | -$52M | -0.26% | Jun 30, 2012 | 10-Q | 2012-08-09 |
| Q1 2012 | $20.7B | Mar 31, 2012 | 10-Q | 2012-05-10 | ||
| Q4 2011 | $21.4B | +$14B | +192% | Dec 31, 2011 | 10-K | 2013-03-01 |
| Q3 2011 | $21.1B | Sep 30, 2011 | 10-Q | 2011-11-07 | ||
| Q2 2011 | $19.7B | Jun 30, 2011 | 10-Q | 2011-08-09 | ||
| Q4 2010 | $7.32B | Dec 31, 2010 | 10-K | 2012-02-28 |